46 C.F.R. § 14.209 Preparation of shipping articles at beginning of voyage.
Title 46 - Shipping
Each master or individual in charge of a vessel when shipping articles are required shall prepare an original and two copies of the articles. The original and one copy must be signed by the master or individual in charge and by each merchant mariner; but the second copy must not be signed by any of them.
Title 46: Shipping
PART 14—SHIPMENT AND DISCHARGE OF MERCHANT MARINERS
Subpart B—Shipment of Merchant Mariners
§ 14.209 Preparation of shipping articles at beginning of voyage.

