46 U.S.C. § 10503

Exhibiting merchant mariners’ documents

Before signing the agreement required by section 10502 of this title , a seaman required by section 8701 of this title to have a merchant mariner’s document shall exhibit to the master a document issued to the seaman and appropriately endorsed for the capacity in which the seaman is to serve.

( Pub. L. 98–89 , Aug. 26, 1983 , 97 Stat. 570 .)