Tonnage Certificate and IMO Number
A.1215(34) is the current integrated IMO scheme; mandatory SOLAS XI-1/3 thresholds and the broader administrative allocation scheme are distinct perimeters.
Operational Explanation
A.1215(34) is the current integrated IMO scheme; mandatory SOLAS XI-1/3 thresholds and the broader administrative allocation scheme are distinct perimeters.
Regulatory Reference
A.1215(34) current; A.600(15) historical origin; SOLAS XI-1/3 mandatory marking/carriage scope.
Scope of Application
SOLAS: passenger ≥100 GT and cargo ≥300 GT within scope; the allocation scheme has its own categories and exemptions.
Procedure / How to Complete It
- Distinguish allocation from the mandatory SOLAS rule.
- Check type, tonnage and exemptions.
- Retain the number throughout the ship's life.
- Update applicable certificates, markings and records.
Practical Example
A ship may fall within A.1215 allocation scope without every operation becoming subject to the mandatory SOLAS rule.
What Typically Goes Wrong
Using A.600(15) as the sole current text or reducing the whole scheme to two SOLAS thresholds.
Common Mistakes Mistake Library
| Mistake | Consequence | How to Avoid It |
|---|---|---|
| Using A.600(15) as the sole current text or reducing the whole scheme to two SOLAS thresholds. | Non-compliant decision or treatment | Follow the approved arrangement and applicable sources |
What the PSCO Checks
Operational Tips
- Separate current requirement, class/maker, SMS and voluntary guidance.
- Do not improvise tests, thresholds or intervals.
- Record deviations and corrective action.
Preparation checklist
- A.1215 current
- A.600 historical
- SOLAS thresholds
- Scheme exemptions
FAQ
Related Topics
Last substantive revision of this page: 31 August 2026 · page fingerprint af587104fbfe