International Convention for the Prevention of Pollution from Ships (MARPOL)

IMO convention preventing marine pollution from ships covering oil, chemicals, sewage, garbage, and air emissions through six technical annexes. Applies to all seagoing vessels.

12

Rules extracted

194

Obligations decomposed

16.2x

Avg obligations per rule

🌐 International

Jurisdiction

About this regulation

The International Convention for the Prevention of Pollution from Ships (MARPOL) is the main international convention covering prevention of pollution of the marine environment by ships from operational or accidental causes. MARPOL includes six technical Annexes covering oil pollution, noxious liquid substances, harmful substances in packaged form, sewage, garbage, and air pollution including greenhouse gas emissions. The Convention requires oil record books, shipboard oil pollution emergency plans, reception facilities, surveys and certificates, port state control, and enforcement measures. MARPOL applies to all ships flagged to signatory states.

What AuditDSS covers

Source

1

Regulation

Extracted

12

Rules

Decomposed

194

Obligations

16.2x

Decomposition ratio

Each rule is decomposed into an average of 16.2 atomic obligations — the smallest testable units that can be independently violated.

Fully extracted & scored

All 194 obligations have been decomposed, titled, risk-scored, and embedded for semantic matching.

Risk scoring

Every obligation in IMO-MARPOL is scored across independent risk dimensions:

W

Obligation Weight

How critical within the regulatory framework

L

Violation Likelihood

How often breached in practice

E

Enforcement Evidence

Regulator enforcement history and penalties

C

Cascade Dependency

How many obligations depend on this one

Regulatory details

Full title
International Convention for the Prevention of Pollution from Ships (MARPOL)
Regulatory body
International Maritime Organization
Jurisdiction
🌐 International
Document type
convention
Effective date
January 1, 2025
Issuing authority
International Maritime Organization (IMO)
Official source
View source document ↗

Who this applies to

Key requirements

  • Annex I — Prevention of Pollution by Oil
  • Annex II — Control of Pollution by Noxious Liquid Substances
  • Annex III — Prevention of Pollution by Harmful Substances in Packaged Form
  • Annex IV — Prevention of Pollution by Sewage from Ships
  • Annex V — Prevention of Pollution by Garbage from Ships
  • Annex VI — Prevention of Air Pollution from Ships (SOx/NOx/EEDI/CII)
  • Part A — Oil Record Book
  • Part B — Shipboard Oil Pollution Emergency Plan
  • Part C — Reception Facilities
  • Part D — Surveys and Certificates
  • Part E — Port State Control
  • Part F — Enforcement

Frequently asked questions about IMO-MARPOL

What is IMO-MARPOL?

The International Convention for the Prevention of Pollution from Ships (MARPOL) is the main international convention covering prevention of pollution of the marine environment by ships from operational or accidental causes. MARPOL includes six technical Annexes covering oil pollution, noxious liquid substances, harmful substances in packaged form, sewage, garbage, and air pollution including greenhouse gas emissions. The Convention requires oil record books, shipboard oil pollution emergency plans, reception facilities, surveys and certificates, port state control, and enforcement measures. MARPOL applies to all ships flagged to signatory states.

Who does IMO-MARPOL apply to?

IMO-MARPOL applies to .

How many obligations does IMO-MARPOL contain?

AuditDSS has decomposed IMO-MARPOL into 194 atomic obligations from 12 rules. Each obligation is independently testable and risk-scored.

What are the key requirements of IMO-MARPOL?

The key requirements include: Annex I — Prevention of Pollution by Oil, Annex II — Control of Pollution by Noxious Liquid Substances, Annex III — Prevention of Pollution by Harmful Substances in Packaged Form, Annex IV — Prevention of Pollution by Sewage from Ships, Annex V — Prevention of Pollution by Garbage from Ships, Annex VI — Prevention of Air Pollution from Ships (SOx/NOx/EEDI/CII), Part A — Oil Record Book, Part B — Shipboard Oil Pollution Emergency Plan, Part C — Reception Facilities, Part D — Surveys and Certificates, Part E — Port State Control, Part F — Enforcement.

How can I assess my IMO-MARPOL compliance?

Upload your compliance policy to AuditDSS. The platform maps your document against all 194 IMO-MARPOL obligations using deterministic AI scoring — not checklists or LLM summaries. You get a risk-scored gap analysis showing exactly which obligations are covered, partially covered, or missing.

Which jurisdiction enforces IMO-MARPOL?

IMO-MARPOL is enforced in International by International Maritime Organization.

When did IMO-MARPOL come into effect?

IMO-MARPOL became effective on January 1, 2025.

What industry does IMO-MARPOL apply to?

IMO-MARPOL is primarily relevant to the Maritime & Shipping industry. AuditDSS covers 66 regulations in this industry sector.

Build a IMO-MARPOL compliance pack

Don't have a compliance policy yet? AuditDSS generates a complete compliance pack for IMO-MARPOL — alone or combined with other regulations your business needs. Every clause is mapped to specific obligations.

Policy

High-level commitments and governance framework covering IMO-MARPOL requirements.

Procedures

Step-by-step operational procedures to implement each policy commitment.

Forms & checklists

Ready-to-use forms, registers, and checklists for day-to-day compliance operations.

Multi-regulation

Combine IMO-MARPOL with other regulations into a single unified compliance pack for your business.

Already have a policy? Assess it against IMO-MARPOL

1

Upload your document

Upload your compliance policy, program manual, or operational document. AuditDSS accepts any text-based document.

2

AI maps against 194 obligations

Your document is scored against every obligation in IMO-MARPOL. Each claim is mapped to the obligation tree and evaluated for coverage.

3

Risk-scored gap report

Receive every gap ranked by risk priority with remediation guidance, enforcement evidence, and cascade impact analysis.

Related regulations in Maritime & Shipping

Assess your IMO-MARPOL compliance

Upload your document and get a risk-scored gap analysis against 194 IMO-MARPOL obligations in under 5 minutes.