124. 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?

Upon discharging a crew member from a 100 GT towing vessel, a credentialed operator must issue a Certificate of Discharge or make an entry in the crew member's Continuous Discharge Book, as mandated by federal regulations; the crew member retains their discharge documentation.