Open knowledge

# Regulatory Updates Live

The most relevant regulatory changes of recent months, explained in plain language with a direct link to the affected operational page.

## 2024-2026 update timeline

Date | Reference | What changes |
--- | --- | --- | ---
1 July 2024 | MARPOL Annex I -- Regulation 43A | Ban on the use and carriage of Heavy Fuel Oil (HFO) in Arctic waters, subject to specific exceptions. | Learn more →
1 May 2024 | MARPOL Annex V | Garbage Record Book mandatory threshold lowered from 400 GT to 100 GT. | Learn more →
1 January 2025 | MARPOL Annex I & V -- Res. MEPC.381(80) | The Red Sea and Gulf of Aden become a Special Area, with stricter restrictions on oil and garbage discharge. | Learn more →
1 February 2025 | BWM Convention -- Res. MEPC.369(80) | New Ballast Water Record Book format, with standardised A-H operational codes. | Learn more →
1 May 2025 | MARPOL Annex VI -- Res. MEPC.361(79) | The entire Mediterranean Sea becomes a SECA (Sulphur Emission Control Area): 0.10% sulphur m/m limit unless an equivalent scrubber is used. | Learn more →
1 August 2025 | MARPOL Annex VI -- Res. MEPC.385(81) | Greater granularity required in Bunker Delivery Note and IMO DCS data. | Learn more →
1 October 2025 | BWM Convention | Electronic Ballast Water Record Book logs now require ship-specific approval from the Flag Administration. | Learn more →
31 December 2025 | MARPOL Annex VI -- SEEMP Part II | Deadline for updating SEEMP Part II in line with the new CII/DCS data collection requirements. | Learn more →
1 March 2026 | MARPOL Annex VI -- Res. MEPC.392(82) | New Emission Control Areas active in the Canadian Arctic and the Norwegian Sea; SOx/PM limits fully applicable from 1 March 2027. | Learn more →
Finalized MEPC 84 (2026), adoption expected MEPC 85 (October 2026), in force spring 2028 | NOx Technical Code -- certification of ammonia and multi-fuel engines | New regulatory basis for EIAPP certification of NOx emissions from ammonia-fuelled engines and non-gas dual-fuel engines (methanol, ethanol); Multiple Engine Operating Profiles introduced. | Learn more →
Q1 2026 (for 2025 data) | MARPOL Annex VI -- CII | Deadline for the annual Carbon Intensity Indicator report (A-E rating) to Flag States for ships ≥5,000 GT. | Learn more →
MEPC 83 (approved) → October 2025 (session closed without agreement) → MEPC 85, October 2026 (adoption expected) | IMO Net-Zero Framework | GHG pricing/standard framework approved in principle at MEPC 83; the extraordinary October 2025 session closed without agreement; MEPC 84 (April 2026) approved implementation guidelines (LCA emission factors, ZNZ reward mechanism, fuel certification); formal adoption now expected at MEPC 85, with entry into force still planned for 1 March 2027. | Learn more →
6 December 2023 | ISM Code -- Res. A.1188(33) | New 2023 Guidelines on Implementation of the ISM Code by Administrations: reinforce the emphasis on safety culture and the real (not just formal) quality of internal audits and Management Review. | Learn more →
1 January 2026 | ISM Code -- MSC 108 amendments (May 2024) | New amendments to the ISM Code adopted at MSC 108, in force from 1 January 2026: check the official IMO consolidated text for the exact detail of the changes applicable to your Company. | Learn more →
MSC 108, May 2024 | ISM Code -- Company responsibility for MASS ships | Position agreed: responsibility for the safe operation of an autonomous (MASS) ship remains with the ISM Company, as for a conventional ship. | Learn more →
1 January 2024 | SOLAS Chapter IV -- GMDSS modernisation | Specific references to Inmarsat replaced with the generic term RMSS (Recognized Mobile Satellite Service); Sea Area A3 redefined; the NBDP function removed for MF/HF equipment. | Learn more →
1 January 2024 | SOLAS Chapter III -- LSA Code | Free-fall lifeboats no longer require the launch test with the ship moving at up to 5 knots; rescue boats under 700 kg no longer require stored mechanical power for lowering. | Learn more →
1 January 2026 | SOLAS -- 2026 consolidated edition | New SOLAS edition with amendments adopted up to 1 July 2024, including Res. MSC.535(107) on ventilation requirements for totally enclosed lifeboats (applicable to lifeboats installed from 1 January 2029). | Learn more →
30 June 2025 | Paris MOU Annual Report 2025 | Global detention rate at 4.18% (688 detentions, 19 bannings in 2025); fire safety (SOLAS Ch. II-2) the top deficiency category at 16.8% of the total. | Learn more →
1 September - 30 November 2026 | Paris MOU/Tokyo MOU Concentrated Inspection Campaign | New joint thematic campaign dedicated to Cargo Securing: checking the Cargo Securing Manual, lashing equipment, stowage plans and crew competency. | Learn more →
1 January 2026 | IMDG Code -- Amendment 42-24 (Res. MSC.556(108)) | The 2024 edition of the IMDG Code becomes mandatory: new UN numbers for sodium-ion batteries, battery-powered vehicles and other products; ends the voluntary/transition period that began in 2025. | Learn more →
1 January 2026 | STCW -- training on violence, harassment and bullying | New STCW amendments make specific training on preventing violence, harassment and bullying on board mandatory; a comprehensive review of the Convention has also been launched (over 400 areas analysed), with a full revision expected by 2027. | Learn more →
1 July 2024 | IACS UR E26 / E27 -- Cyber Resilience | New mandatory cyber resilience requirements for newbuildings contracted from this date: UR E26 for the ship as a collective entity, UR E27 for individual systems/equipment supplied by third parties. | Learn more →
22 March 2024 | HSSC -- Res. A.1186(33) | Reissued guidelines on the Harmonized System of Survey and Certification, the framework that synchronises all statutory surveys (Annual, Intermediate, Renewal) on a five-year cycle. | Learn more →
1 January 2024 - 2027 | EU maritime ETS | Gradual extension of the EU ETS to shipping: 40% of reported emissions in 2025, 70% in 2026, 100% from 2027; from 2026, CH4 and N2O are included in addition to CO2. | Learn more →
1 January 2025 | FuelEU Maritime -- Reg. (EU) 2023/1805 | The obligation to reduce the greenhouse gas intensity of energy used on board comes into force: -2% versus the 2020 baseline for 2025-2029, with five-yearly increases through 2050. | Learn more →
1 April 2026 | RightShip GHG/Safety Rating | Dry bulk/general cargo ships aged ≥12 years without a valid RightShip inspection suffer automatic downgrading of their Safety Score, directly affecting nominations from major commodity traders. | Learn more →
2025 | PSC Procedures -- Res. A.1206(34) | Revised PSC procedures with a new Appendix 20 dedicated to security inspections: introduces Duly Authorized Officers and confirms that the absence of a valid SSO certificate is automatic grounds for detention. | Learn more →
2025 | Tokyo MOU Annual Report 2025 | Detention rate at 3.53% (1,255 ships, 73 flags); joint Concentrated Inspection Campaign with the Paris MOU on Ballast Water Management (1 September - 30 November 2025) with BWMS operation as the most common deficiency. | Learn more →
1 July 2026 - 30 June 2027 | USCG QUALSHIP 21 | The Bahamas reconfirmed eligible for the USCG QUALSHIP 21 programme for the new annual period; the Marshall Islands (RMI) reach 22 consecutive years of eligibility. | Learn more →
1 January 2026 | Polar Code -- Res. MSC.538(107) | New mandatory navigational safety and voyage planning requirements (Chapters 9-1 and 11-1) extended to fishing vessels ≥24m, non-commercial yachts ≥300 GT and cargo ships 300-500 GT; full compliance required by 1 January 2027 for existing ships. | Learn more →
March 2025 | Joint ICAO/ITU/IMO warning -- GNSS | The three organisations declare serious concern over the growth of GNSS jamming and spoofing as an urgent threat to public safety and international trade. | Learn more →
2021 | VTS -- Res. A.1158(32) | Updated Guidelines for Vessel Traffic Services, replacing Res. A.857(20) of 1997, with clarifications on roles, responsibilities and preservation of the Master's authority. | Learn more →
In force from 2025 | EU F-gas Regulation 2024/573 | New F-gas Regulation prescribing a faster HFC phase-down than the previous 517/2014, aiming for a near-complete phase-out by 2050, applicable to EU-flagged ships. | Learn more →
2023-2025 | IACS UR W2 -- Anchor and Chain Cable | Breaking-load test thresholds tightened by roughly 8% and stricter non-destructive testing protocols for anchor chains and equipment. | Learn more →
February 2025 | IACS UR Z11 rev.7 -- ESP Bulk Carrier | Drone inspections formally recognised for close-up surveys; coating conditions below 'GOOD' must be formally logged and re-examined at every subsequent Annual Survey. | Learn more →
2025 | MLC 2006 -- Code Amendments | Strengthened protections against harassment and new financial security requirements in the Code of the Maritime Labour Convention. | Learn more →
July 2023 | 2023 IMO Biofouling Guidelines -- Res. MEPC.378(80) | New global guidelines for the control and management of biofouling, replacing the previous 2011 version. | Learn more →
April 2025 | MEPC 83 -- In-water cleaning guidance and binding biofouling framework | Guidance on in-water cleaning approved; development of a legally binding biofouling framework agreed. | Learn more →
1 October 2023 | Revised Guidelines on Underwater Radiated Noise -- MEPC 80 | New voluntary guidelines for reducing underwater radiated noise from ships; Experience-Building Phase under way through 2026. | Learn more →
1 January 2023 | AFS Convention -- cybutryne controls | Application or reapplication of anti-fouling systems containing cybutryne banned; removal or coating required by the next renewal, no later than 60 months since last application. | Learn more →
2024 (edition) / 1 January 2026 (mandatory) | IMDG Code Supplement 2024 -- revised EmS Guide and MFAG | The EmS Guide and MFAG have been updated in line with Amendment 42-24, incorporating new entries for lithium-ion, sodium-ion batteries and battery-powered vehicles. | Learn more →
2025 | Industry data -- fires from mis-declared dangerous goods | According to industry insurance data, a fire occurs on a containership roughly every 17 days, with mis-declared or under-insured dangerous goods (particularly lithium batteries) identified as a recurring cause. | Learn more →
Adopted MSC 111 (May 2026), voluntary from 2027, mandatory from 2028 | IMDG Code Amendment 43-26 -- SP980 vehicle transport | New Special Provision SP980 and updates to SP961/SP962 for transporting conventional-fuel, hybrid and lithium-battery vehicles, continuing on from Amendment 42-24. | Learn more →
Res. MSC.523(106) in force 2026; MSC 111 package expected December 2026, in force 1 July 2028 | IGC Code -- amendments on materials and alternative fuels | New approved material (high-manganese steel) for cryogenic tanks; upcoming provisions on CO2 as cargo, LPG/ethane/toxic cargoes as fuel, and a new three-date Certificate of Fitness. | Learn more →
Approved MEPC 84 (April 2026), consolidated Annex expected MEPC 85 (late 2026), in force 2028 | BWM Convention -- draft amendments and new G4 Guidelines | Clarifications on contingency measures, BWMP content/approval, crew familiarisation, survey/certification and the transition from D-4 prototype systems to full D-2 compliance. | Learn more →
24 June 2024 (edition) / 1 January 2025 (in force) | MSC.1/Circ.1310/Rev.2 -- Helicopter Operations | Updated technical recommendations on onboard helicopter operations; a new Chapter 17 of the FSS Code is under development with mandatory requirements for helideck foam firefighting systems. | Learn more →
2025 | Black Sea MOU Annual Report 2025 | Regional detention rate at 6.78% (up from 4.71% in 2024), the highest level since 2007: 347 ships detained out of 5,117 inspections. | Learn more →
2025 | Indian Ocean MOU Annual Report 2025 | 5,958 inspections (+11.68% versus 2024), a 4.38% detention rate and 13,962 deficiencies recorded in the region. | Learn more →
2024-2025 (proposals under discussion) | Proposed amendments to CSS Code Annex 13 -- non-standardised cargoes | Eight proposed clarifications to the lashing calculation methodology for project/heavy-lift cargo, including weather-dependent load assumptions and survival criteria in the event of cargo shift. | Learn more →
2011 (requirement) -- reinforced 2025 | SOLAS V/19 -- BNWAS | Renewed emphasis on the mandatory Bridge Navigational Watch Alarm System requirement for cargo ships ≥150 GT, with growing PSC focus on correct configuration and end-to-end testing. | Learn more →
2024-2034 (market projection) | IoT predictive maintenance -- industry trend | The market for IoT sensors monitoring marine engines is projected to grow from $1.1 to $1.96 billion by 2034; Maersk reports over 20% reduction in machinery downtime from adopting these systems. | Learn more →
2030 (projection) | Lloyd's Register -- AI adoption on board | Lloyd's Register estimates that 70% of ships will use AI-based systems by 2030, directly affecting predictive maintenance and consumption optimisation in the engine room. | Learn more →
2025 | BIMCO RepairCon -- shipyard contracting practice | Consolidation of the BIMCO RepairCon contractual framework as the industry reference for ship-yard repair contracts, emphasising liability allocation for damage and price analysis review. | Learn more →
1 January 2026 | Publication 97/P Polish Register of Shipping -- Dual/Double Class | Updated procedure for transfer of class and management of dual/multiple classification, with new definitions of Bilateral Agreement and Remaining Society. | Learn more →
2026 (in development) | IMO Guidelines for the Use of Electronic Certificates -- consolidation | New consolidated set of guidelines on electronic certificates submitted for concurrent approval to LEG, MEPC and MSC. | Learn more →
March 2026 | IMO Strategy on Maritime Digitalization -- FAL 50 | Strategy approved by the FAL Committee making digitalization a cross-cutting IMO policy, emphasising interoperability and data governance. | Learn more →
2026 (work plan) → 2028 (full framework) | MEPC -- Onboard Carbon Capture and Storage (OCCS) | A work plan adopted for developing a complete OCCS regulatory framework, with guidelines on testing, survey and certification under discussion; no credit yet recognised on EEXI/CII. | Learn more →
31 December 2029 (infrastructure) → 1 January 2030 (ship obligation) | EU AFIR Regulation and FuelEU Maritime -- Shore Power | Obligation to install OPS at TEN-T core/comprehensive ports by end 2029; obligation to use it for containerships and passenger ships ≥5,000 GT from 2030, extended to all EU ports with OPS installations from 2035. | Learn more →
2025-2026 | Wind-Assisted Propulsion Systems (WAPS) market | Global market at $1.34 billion in 2024, over 100 installations passed in 2025 (over 60% retrofits); the IMO has set out a dedicated work plan on wind propulsion. | Learn more →
1 January 2025 (in force) → 1 January 2027 (new amendments) | IMSBC Code -- 2025 edition | 12 new cargo schedules and amendments to 11 existing ones; new amendments expected in force from 1 January 2027, with voluntary application possible from 1 January 2026. | Learn more →
1 January 2026 | IMDG Code Amendment 42-24 -- marine pollutant criteria | Marine pollutant classification criteria relevant for MARPOL Annex III also updated, in line with the new entries introduced by Amendment 42-24. | Learn more →
1 July 2024 (HFO) → 1 January 2026 (Polar Code amendments) | Polar Code Part II-A and the Arctic HFO ban | Absolute ban on oil discharge in the Arctic and on HFO as fuel in force since 2024; new navigational safety amendments expected in force from 2026. | Learn more →
Through 2028 (review under way) | Review of the ISM Code implementation guidelines | The IMO is conducting a three-year review of the ISM guidelines, with recommendations on non-conformity complaint procedures, strengthening the Master's authority and preventing violence/harassment on board. | Learn more →
2025-2026 | FSS Code -- Res. MSC.555(108) | Amendments to Chapters 7 (water-spraying/water mist) and 9 (fire detection); new requirement for fixed water systems on exposed Ro-Ro passenger decks with keels laid from 1 January 2026. | Learn more →
January 2026 (SDC 12) | Review of SOLAS II-2/13.4 -- escape routes | The Maritime Safety Committee has included on the SDC 12 agenda a review of the escape route rules for machinery spaces, to resolve diverging interpretations of the term 'lower part of the space'. | Learn more →
2025 | Resolution A.1206(34) -- PSC and security procedures | New Appendix 20 dedicated to security inspections, introduction of Duly Authorized Officers, confirmation that the absence of a valid SSO certificate is automatic grounds for detention. | Learn more →
2025 | Britannia P&I -- break bulk loss prevention data | 2025 insurance analysis on recurring losses from poorly stowed break bulk cargo, emphasising dunnage practices and over-stowing risk. | Learn more →
2025 | ASBATANKVOY -- first revision since 1977 | First revision of the ASBATANKVOY standard charter party since 1977: introduces digital clauses and ESG compliance requirements. | Learn more →
2025-2026 season | Baltic -- ice season | 24 icebreakers deployed by Finland, Sweden, Estonia, Latvia and Germany; ice cover above the historical median already by early January 2026. | Learn more →
2025 season | Northern Sea Route -- shipping season | 103 transits carrying about 3.2 million tonnes of cargo in the 2025 season, including convoys escorted by nuclear icebreakers (Yamal, Vaygach) through dense ice. | Learn more →
2026 | GeoGarage -- ECDIS bridge team analysis | Analysis of around 5,000 bridge team assessments finds misunderstanding of datum and WGS84 discrepancies as a recurring error and grounding risk factor. | Learn more →
2025 | CIMAC WG20 -- Guideline on Digital Twins in the Maritime Industry | Industry guide on digital twins in the maritime industry published; Classification Societies estimate the first truly operational digital twins on complex ships between 2025 and 2030. | Learn more →
2025-2032 (market projection) | Marine Digital Twin market | The marine digital twin market is projected to grow from $0.59 to $2.40 billion by 2032 (23.2% CAGR). | Learn more →
2025 | Sister-ship programme -- cruise industry | Example of staggering across a series of sister ships for a cruise line, with dry dock entries planned months/years apart and progressive reuse of lessons learned across the same class. | Learn more →
2025 | RO Guidance Note -- interim certificates | Updated operating instructions for Recognized Organizations on issuing interim certificates, with maximum validity confirmed at 6 months for a new delivery, change of Company or change of flag. | Learn more →
November 2025 (trial) → 1 January 2026 (licences) | TR129 standard -- Singapore methanol bunkering | First methanol bunkering trial completed under the new TR129 technical standard on a Maersk vessel; three methanol bunkering licences issued in Singapore effective from 1 January 2026. | Learn more →
September 2025 | Maritime Just Transition Task Force -- training frameworks | A dedicated set of training frameworks launched for seafarers, Administrations and MET institutions on ammonia, methanol and hydrogen; the GreenVoyage2050/Power-to-X Hub Training-of-Trainers programme launched, with the first course in July 2025. | Learn more →
1 January 2025 (scope) → 2026 (review) | EU MRV Regulation -- extended scope and EU ETS review | MRV scope extended from 2025 to offshore ships >400 GT and general cargo 400-5,000 GT; the European Commission will conduct a review of the maritime EU ETS scope in 2026, with possible further extension below 5,000 GT. | Learn more →
1 August 2025 (in force) → 1 January 2026 (full obligation) | MARPOL Annex VI -- Res. MEPC.385(81) IMO DCS | New transport work data and advanced consumption granularity per individual onboard consumer in the IMO DCS; full obligation from 1 January 2026 for ships that have not opted in voluntarily since January 2025. | Learn more →
1 January 2026 | STCW -- Table A-VI/1-4, PSSR training on violence and harassment | New minimum mandatory competency in Personal Safety and Social Responsibilities training on preventing and responding to violence, sexual harassment, bullying and sexual assault on board. | Learn more →
1 January 2026 (newbuildings) → 1 January 2028 (retrofit existing Ro-Ro pax) | SOLAS Regulation II-2/20 and FSS Code Ch. 9 -- Res. MSC.550(108)/MSC.555(108) | Individually addressable smoke/heat detectors mandatory in vehicle, special category and Ro-Ro spaces; retrofit for existing Ro-Ro passenger ships by the first applicable survey after 2028. | Learn more →
1 January 2026 | SOLAS Chapter II-1, new Regulation 3-13 | Cranes, winches and hose-handling equipment on board come under direct SOLAS control, with a mandatory valid test certificate and SWL documentation; compliance required by the first Renewal Survey. | Learn more →
1 January 2026 | Mediterranean MOU -- accession of France and Albania | The Med MoU reaches 13 member states; the 2024 report records a 20% increase in detentions (196 out of 5,993 inspections). | Learn more →
Q1 2026 (data published) | DNV Port State Control Quarterly Report -- Q1 2026 | Container, bulk carrier and general cargo ships account for 83% of the 64 detentions recorded in the quarter; ISM and maintenance categories dominate the deficiencies, not structural shortcomings. | Learn more →
1 January 2026 (voluntary) → 1 January 2027 (mandatory) | IMSBC Code -- Amendment 08-25 | Applicable voluntarily from 1 January 2026, with official entry into force expected 1 January 2027, closely related to the BLU Code for safe bulk carrier loading/discharging. | Learn more →
1 January 2026 | SOLAS Chapter V, Regulations 31/32 -- Res. MSC.550(108) | Obligation to report the loss of cargo containers to nearby ships, the coastal state and the Flag, which reports the incident to the IMO via GISIS. | Learn more →
Resumption expected spring 2027 | Five-year STCW review -- replacing sea service with simulator training | Provisional outcome supported by over 37 flag states: up to 3 months of sea service replaceable with simulator training for STCW II/1, III/1 and III/6 certificates. | Learn more →
Adopted May 2026, in force from 1 July 2026 | MASS Code -- MSC 111 | The first IMO Code for autonomous ships, non-binding, with a path to mandatory status mapped out through 2032 (EBP in December 2026, mandatory Code from 2028). | Learn more →
2024 → 2025 (market data) | Methanol ship orders: collapse from 149 to 61 units | Engine reliability issues in the first fleets in service contribute significantly to the slowdown in new methanol ship orders. | Learn more →
EMSA publication (2025) | Guidance on the Safety of BESS on board ships | Specific recommendations for installation and emergency response in onboard battery rooms, distinct from conventional extinguishing techniques. | Learn more →
26 June 2025 (in force) → 26 June 2030 (ICIHM obligation) | Hong Kong International Convention -- ship recycling | Three-part Inventory of Hazardous Materials mandatory; ICIHM Certificate required by 2030 for ships ≥500 GT; International Ready for Recycling Certificate (green passport) required from 2025, valid no more than 3 months. | Learn more →
Growing regulatory pressure 2025-2026 | Biocide-free coatings: industry transition | Biocide-free fouling-release technologies with life cycles of up to 10 years are reshaping the economics of dry dock planning, in response to growing regulatory pressure on traditional biocidal systems. | Learn more →
Guide published 2025 | IMCA -- Guidance on shipyard safety during dry docking | Updated recommendations on pre-qualification, safety checks and ship-yard coordination for hot work during dry dock periods and extended maintenance. | Learn more →
Peak observed 2025-2026 | Shadow fleet: flag-hopping and Flag State reform | Over 300 sanctioned tankers fraudulently changed flag in 2025, with a wave of re-flagging to the Russian registry accelerated by Western seizures since December 2025. | Learn more →
October 2025 | OCIMF -- SIRE 2.0 Focused Inspection Campaign | Targeted questions on vessel hardening and access control applied to all SIRE 2.0 inspections, more than a year after VIQ7's final withdrawal (September 2024) and over 24,000 inspections completed. | Learn more →
MEPC 83 (approved) → MEPC 84 (adoption expected) | MARPOL Annex VI Reg. 27 -- CII 2027-2030 Reduction Factors | Revised SEEMP Part II with a new Confirmation of Compliance required on board from 1 January 2026, with data granularity extended to transport work. | Learn more →
1 January 2026 (mandatory) | IMDG Code -- Amendment 42-24 | Becomes the mandatory edition of the IMDG Code from 1 January 2026, with implications also for the classification and segregation of non-containerised dangerous goods and Class 7 entries. | Learn more →
Consolidated framework, verified 2026 | INF Code -- transport of irradiated nuclear fuel | Ship design and equipment requirements for irradiated nuclear fuel, plutonium and high-level waste, with mandatory approval from the flag and all coastal states for each shipment. | Learn more →
Explanatory Notes revised at SDC 12 (January 2026) | Safe Return to Port -- SOLAS II-1/8-1, II-2/21-22 | Clarifications on the practical application of damage threshold criteria; applicable to construction contracts from 2028, keel laid from 2028, delivery from 2032. | Learn more →
In force since 1 January 2015 | SOLAS Regulation III/19 -- passenger musters | The muster for newly embarked passengers must be conducted before departure or immediately upon departure, no longer within 24 hours as under the pre-2015 version of the rule. | Learn more →
Consolidated framework, verified 2026 | SOLAS 2020 -- Ro-Ro Passenger Damage Stability | Subdivision index (R) and survival factor (s-factor) strengthened globally for Ro-Ro passenger ships with keels laid from 1 January 2020, to a standard comparable with the 1996 Stockholm Agreement. | Learn more →
First half of 2026 (data published) | CDC Vessel Sanitation Program -- gastrointestinal outbreak data | 5 outbreaks recorded in the first half of 2026 (3 Norovirus, 2 E. coli) versus 17 in the same period of 2025: a roughly 70% drop, attributed to strengthened prevention protocols. | Learn more →
Binding from 28 June 2025 | European Accessibility Act -- EU Directive 2019/882 | Extends the accessibility obligation for passenger shipping services to travel information, e-ticketing and self-service terminals, in addition to the physical requirements of EU Regulation 1177/2010. | Learn more →
Mandatory from 1 January 2020 | MSC.1/Circ.1533 -- Evacuation Analysis | Evacuation analysis mandatory at the design stage for passenger ships carrying more than 36 passengers with keels laid from 2020, with a choice between simplified and advanced methods. | Learn more →
Consolidated framework, verified 2026 | SOLAS V/7.3 -- SAR Cooperation Plan | A cooperation plan with search and rescue services required on board every passenger ship, with a periodic exercise no more than 12 months apart and integration into the ISM audit cycle. | Learn more →
Consolidated framework, verified 2026 | IMO Resolution A.1186(33) -- Passenger Ship Safety Certificate | Maximum validity of 1 year for the PSSC, renewed via a full annual survey, departing from the five-year regime of other statutory certificates. | Learn more →
Consolidated framework, verified 2026 | MSC.1/Circ.1331 -- Gangway and Accommodation Ladder | Technical requirements for access ladders installed/renewed from 2010: reaching the waterline within 600mm, handrails, maximum/minimum angle and SWL marked on both sides. | Learn more →
Consolidated framework, verified 2026 | MSC.1/Circ.1417 -- Tender Operations | Guidelines for tendering operations, including the requirement for a risk assessment when lifejackets remain stowed rather than worn on SOLAS lifeboats used as tenders. | Learn more →
Quarterly reports ongoing in 2025 | Cruise Vessel Security and Safety Act (CVSSA) -- reporting disappearances | Obligation for cruise lines to report every disappearance to US authorities, with public quarterly reports from the Department of Transportation still current. | Learn more →
Consolidated framework, verified 2026 | STCW Section A-V/2 -- Crowd Management | Mandatory competencies in managing passenger flow to muster stations, distinct from the design-stage evacuation analysis calculation. | Learn more →
In force since 2010, ongoing USCG checks | Cruise Vessel Security and Safety Act (CVSSA) -- cabin safety | Technical requirements on peepholes (maximum 25mm diameter), a supplementary security latch and accessibility for passenger cabins, checked by the US Coast Guard. | Learn more →
Consolidated framework, verified 2026 | MLC Regulation 4.1 and ACEP guidelines -- Medical Centre | Minimum onboard medical staffing standard (one doctor, at least two nurses) and clinical operating standards used as the cruise industry's reference, not legally binding but widely adopted. | Learn more →
Effective from 1 July 2026 | MSC.1/Circ.1331/Rev.1 -- PPE for ladder and gangway rigging | New requirement for crew to wear a lifejacket and safety harness while rigging access ladders and gangways, plus clearer definitions in the guidelines. | Learn more →
Consolidated framework, verified 2026 | SIMOPS -- Turnaround Management | Risk management framework for simultaneous operations on turnaround day (disembarkation, cleaning, resupply, bunkering, embarkation), with a designated Simultaneous Operations Leader and risk reduced to an ALARP level. | Learn more →
Adopted MEPC 84 (27 April - 1 May 2026), in force 1 September 2027 | MARPOL Annex VI -- North-East Atlantic ECA | New Emission Control Area for SOx, PM and NOx in the North-East Atlantic, alongside the existing ECAs. | Learn more →
Approved MEPC 84 (2026) | MARPOL Annex I -- new Regulation 12A | Allows the installation of an integrated bilge water treatment system, as an alternative to the traditional separator+alarm architecture. | Learn more →
Adopted MEPC 84 (2026) | 2026 IMO Strategy and Action Plan -- Marine Plastic Litter | Goal of zero plastic discharges from ships by 2030; development launched of a mandatory code for transporting plastic pellets in containers (PPR sub-committee, PPR 14 session). | Learn more →
Adopted MEPC 84 (2026) | MARPOL Annex VI -- Regulation 15 amendment, PV valves | Requirement for pressure-vacuum (PV) valves on cargo tank venting systems of crude oil tankers, reinforcing the VOC Management Plan. | Learn more →
HTW 12, 23-27 February 2026 | HTW scoping exercise -- hours of work and rest | Formal assessment launched of the effectiveness of STCW/MLC rules on hours of work and rest, coordinated with sub-committee III; completion expected in 2027. | Learn more →
Through 2028 (review under way) | Review of ISM Guidelines -- shore-side violence/harassment infrastructure | Strengthened Company responsibility for confidential reporting channels and psychological support/victim assistance, in addition to individual STCW training for seafarers alone. | Learn more →
Adopted MSC 110, in force 1 January 2028 (new installations) / 1 January 2029 (existing) | SOLAS Regulation V/23 -- new Pilot Transfer Arrangements performance standard | The technical requirements for pilot transfer equipment are moved from the Regulation's text to a new standalone performance standard. | Learn more →
Res. MSC.520(108)/MSC.550(108), in force 1 January 2026 | SOLAS Chapter II-2 -- flashpoint declaration | Requirement for the supplier to declare the fuel's flashpoint in writing before bunkering, with the ISO 2719:2016 test method. | Learn more →
59th Paris MOU Committee, Glasgow, 18-22 May 2026 | Paris MOU -- guidance on fraudulent certificates and registrations | Development launched of practical guidance for a harmonised regional response to suspected cases of fraudulent registration/certification; 2025 detention rate at 4.18%. | Learn more →
NCSR 12/13 (2025-2026), adopted MSC 111, in force 1 January 2028 | SOLAS Chapter V -- VDES and multi-RMSS obligation | Voluntary introduction of the VHF Data Exchange System; obligation to broadcast MSI information via all recognised mobile satellite services (RMSS) by 31 December 2026. | Learn more →
NCSR 13, June 2026 | Next generation ECDIS -- S-100 Framework | Draft guidance finalised for introducing the next generation of ECDIS based on the IHO's S-100 standard, progressively replacing S-57. | Learn more →
2025-2026 (first units in service) | Two-stroke dual-fuel ammonia engines | Entry into commercial service of the first ships with ammonia engines (Capesize bulk carriers, gas carriers), with safety systems specific to the fuel's toxicity. | Learn more →
2026 revision | IACS UR E26/E27 -- mandatory/non-mandatory categorisation | A compliance categorisation introduced by ship type and size, with standardised annual survey requirements and a gradual extension to existing ships via Renewal Survey. | Learn more →
Formalised with IACS Recommendation No. 133 | Extended Dry Docking -- extension to 7.5 years | Two consecutive In-Water Surveys can replace the intermediate dry-docking, extending the maximum interval from 5 to 7.5 years, with dual class and flag approval. | Learn more →
Network expansion 2025-2026 | Remote Inspection Techniques (RIT) -- expansion beyond bulk carrier ESP | Classification Societies are expanding their networks of RIT-certified surveyors, extending drone/ROV use to a broader ecosystem of survey types. | Learn more →
IMO Assembly 34, December 2025, in force 1 January 2026 | 2023 HSSC Guidelines -- Res. A.1186(33) amendments | New survey items for examining the IP Code certificate and the AFS certificate; Remote Survey Guidance on remote survey, ISM Code audits and ISPS Code verifications also approved. | Learn more →
SOLAS Chapter XV, Res. MSC.527(106), in force 1 July 2024 | IP Code -- Industrial Personnel Safety Certificate | New mandatory framework for cargo ships/high-speed craft ≥500 GT carrying more than 12 industrial personnel, typical of offshore support; pre-existing authorisations expire at the first Intermediate/Renewal Survey after 1 July 2024. | Learn more →
2028-2030 (tariff period) | IMO Net-Zero Framework -- Remedial Unit | Remedial Unit price for 2028-2030 set at 380 USD (Tier 1) and 100 USD (Tier 2); review mechanism for periods after 2031 to be defined by a future MEPC decision. | Learn more →
Adopted MSC 111 (May 2026), in force 1 January 2028, applicable from 1 January 2031 | LSA Code -- new par. 4.7.7, free-fall lifeboat testing | Use of simulation equipment (cables/chains) regulated for testing the on-load release system without an actual launch into the water, with a minimum safety factor of 6 for the test equipment. | Learn more →
59th Paris MOU Committee, in use from 1 July 2026 to 6 July 2027 | Paris MOU -- new 2026 flag/RO performance lists | White/Grey/Black lists and the RO performance table recalculated over the 2023-2025 three-year period; 40 flags on the White List, with the Cayman Islands, Sweden, Norway, Denmark and Japan at the top. | Learn more →
Res. MSC.532(107), in force 1 January 2026 | SOLAS Regulation V/19.2.12 -- electronic inclinometers linked to the VDR | Requirement for a type-approved electronic inclinometer (Res. MSC.363(92)) on new containerships and bulk carriers ≥3,000 GT with keels laid from 2026, to record roll motion in support of the VDR. | Learn more →
CCC 11, September 2025 | IMO -- organic work plan on container loss | Five regulatory action areas (operational guidance, weather conditions, loading/stowage, lashing standards, container structural strength) with amendments to SOLAS, the CSS Code and the CSC Code under development; lashing software for the CSM expected at CCC 12. | Learn more →
MSC 111, May 2026 | Ammonia as fuel -- Interim Guidelines approved | Interim Guidelines for use of ammonia cargo as fuel on gas carriers and interim guidelines for training seafarers serving on ammonia-fuelled ships; definitive amendments to SOLAS and the IGF Code expected in force from 1 July 2028. | Learn more →
January-February 2026 (updated facilities and lists) | Hong Kong Convention -- consolidation of the authorised facility network | New HKC-authorised facilities in Pakistan (Prime Green Recycling Yard, Salam's International) and the 15th edition of the European List of Ship Recycling Facilities with 41 facilities, including the first German facility. | Learn more →
MEPC 84, April-May 2026, in force from May 2028 | BWM Convention -- amendments on BWMS, certification and new G4 Guidelines | Strengthened requirements on BWMS operation/maintenance and management of hard-to-treat water; the Annual Survey will include a BWMS performance test. New 2026 G4 Guidelines adopted for Ballast Water Management Plans. | Learn more →
Res. MSC.565(108), adopted MSC 111 (May 2026) | Liquefied hydrogen as cargo -- new Part D of the Interim Recommendations | Membrane-type cargo containment systems with vacuum-insulated spaces: requirements on structural integrity, barrier tightness, vacuum monitoring, leak detection and emergency procedures specific to bulk liquefied hydrogen. | Learn more →

This timeline was verified against official IMO sources and the main classification societies at the time this page was created (July 2026). Always check the official consolidated text before any operational decision.

### Leave feedback

Help us improve the platform during the beta -- it takes thirty seconds.

How useful do you find the platform so far?
Comment (optional)
Sign me up for the newsletter
Role