46 C.F.R. § 12.25-40 Apprentice mate.
Title 46 - Shipping
A person enrolled in an apprentice mate training program approved by the Commanding Officer, National Maritime Center who presents a letter or other documentary evidence that he is so enrolled may be issued a merchant mariner's document as apprentice mate and may be signed on ships as apprentice mate. The endorsement apprentice mate may be in addition to other endorsements. However, this endorsement as apprentice mate does not authorize the holder to fill any of the regular ratings. [CGD 74–226, 40 FR 33976, Aug. 13, 1975, as amended by CGD 95–072, 60 FR 50460, Sept. 29, 1995; USCG-1998–4442, 63 FR 52189, Sept. 30, 1998]
Title 46: Shipping
PART 12—CERTIFICATION OF SEAMEN
Subpart 12.25—Certificates of Service for Ratings Other Than Able Seaman or Qualified Member of the Engine Department
§ 12.25-40 Apprentice mate.

