Tankerman · MARPOL — Oil Record Book
Entries in the Oil Record Book must be made:
- AOnce per voyage
- BOn a tank-to-tank basis as applicable, signed by the officer in charge of the operation✓ Correct
- COnly when an inspector is aboard
- DAt the end of the year
Explanation
Each oil-handling operation (loading, transfer, ballasting, cleaning, disposal, discharge) is recorded without delay and signed by the officer in charge; each completed page is signed by the master.
Authority: MARPOL Annex I (Oil Record Book); 33 CFR 151.25
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