Oil Record Book vs Garbage Record Book: Signing Rules Compared

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Planned scope. Side-by-side of operation signer and page signer across books

Regulatory anchor. MARPOL Annex I Reg 17; Annex V Reg 10

Cluster. Shipboard roles, the ISM Code and the SMS. Catalogued in research/shipboard-roles-ism-sms.md.

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