Statement of Compliance for Ships in Temporary Lay-up
A ship in temporary lay-up is not exempt from class and statutory obligations: the survey regime is reduced but not eliminated, and reactivation requires a dedicated survey before returning to service.
Operational Explanation
When a ship is placed in temporary lay-up for commercial reasons, the Classification Society may issue a Statement of Compliance (or Confirmation of Class for lay-up) attesting to a reduced survey regime specific to the conditions of a non-operational ship: lower frequency of inspections on some systems, but continued essential checks on hull integrity, fire-fighting and bilge systems, and mooring.
Returning to service always requires a reactivation survey, which verifies that all systems are fully operational and compliant before the ship can resume commercial navigation.
Regulatory Reference
There is no single dedicated IMO instrument for lay-up; practice is based on the class rules of individual Classification Societies ("Lay-up" or "Cold/Warm Lay-up" procedures), supplemented by flag Administration requirements for maintaining statutory certificates during the period of inactivity.
Scope of Application
Ships placed in temporary lay-up for commercial reasons (oversupply, awaiting new employment, financial restructuring), with responsibility shared between the owner, the Classification Society and the flag Administration.
Procedure / How to Complete It
- Formally notify the Classification Society and the flag Administration of the intention to place the ship in temporary lay-up, before the period of inactivity begins.
- Agree with the Classification Society the applicable lay-up level (cold lay-up with minimal crew, or warm lay-up with greater operability maintained) and the corresponding survey regime.
- Maintain the essential checks required during lay-up: hull integrity, fire-fighting systems, bilge systems, mooring, even without full operability.
- Plan the reactivation survey well ahead of the expected return-to-service date, covering all systems suspended during lay-up.
- Verify with the flag Administration the status of statutory certificates during and after the lay-up period, since some may require renewal or a specific endorsement on return to service.
Practical Example
Example: a ship placed in cold lay-up for 8 months receives from the Classification Society a Statement of Compliance suspending routine surveys on some machinery systems not in use, while maintaining periodic inspections on hull integrity and fire-fighting systems; the return to service is preceded by a full reactivation survey 3 weeks before the resumption of navigation.
What Typically Goes Wrong
Common Mistakes Mistake Library
| Mistake | Consequence | How to avoid it |
|---|---|---|
| Notification of lay-up to the Classification Society and flag Administration made late or informally | Reduced survey regime not formally recognized, with full survey obligations still applicable | Formally and promptly notify both competent Authorities of the start of lay-up |
| Essential checks (hull, fire-fighting, bilge, mooring) neglected during lay-up on the assumption the ship is 'non-operational' and therefore low risk | Undetected deterioration that lengthens and complicates the reactivation survey | Always maintain the essential checks required by the agreed lay-up regime, regardless of commercial non-operability |
| Reactivation survey planned too close to the expected return-to-service date | Delays in returning to commercial service if the survey finds non-conformities to correct | Plan the reactivation survey with adequate lead time before the resumption of navigation |
What the PSCO Checks
Operational Tips
- Always formally notify the Classification Society and flag Administration of lay-up before the period of inactivity begins, not after the fact.
- Do not neglect the essential checks required by the agreed lay-up regime, even without commercial operability.
- Plan the reactivation survey well ahead of the expected return-to-service date, to absorb any non-conformities that need correcting.
Preparation checklist
Educational checklist. This summary supports learning and preparation only. It does not replace the vessel’s approved procedures, manuals, statutory documents, company SMS, or applicable official requirements. Completing it demonstrates neither compliance nor readiness for an inspection: it shows that a list has been read, not that the ship is in order. Always verify the current documents carried on board.
- Formal lay-up notification submitted to the Classification Society and flag Administration
- Lay-up level (cold/warm) agreed with the corresponding survey regime
- Essential checks (hull, fire-fighting, bilge, mooring) maintained during the period of inactivity
- Reactivation survey planned with adequate lead time before return to service
- Status of statutory certificates verified for the lay-up period and for return to service
FAQ
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Last substantive revision of this page: 13 August 2026 · page fingerprint f6bbd0b9d11d