You are the credentialed operator of a 100 GT towing vessel making coastwise runs. Which of the following must you do whenever a crew member is discharged from your vessel?

Correct Answer: Option B — issue a Certificate of Discharge or make an entry in his Continuous Discharge Book

Under 46 CFR 14.307, upon discharging a merchant mariner from a vessel on a coastwise voyage, the master must either issue a signed Certificate of Discharge or make the appropriate entry in the mariner's Continuous Discharge Book.