(a)Rating endorsements will be issued without professional examination to applicants in capacities other than able seaman, lifeboatman, lifeboatman-limited, tankerman, or QMED, including—
(1)Ordinary seaman;
(2)Wiper;
(3)Steward's department; and
(4)Steward's department (F.H.).
(b)Holders of MMCs or MMDs endorsed as ordinary seaman may serve in any unqualified rating in the deck or steward's department, except as a food handler.
(c)Holders of MMCs or MMDs endorsed as wiper may serve in any unqualified rating in the engine or steward's department, except as a food handler.
(d)Only MMCs or MMDs endorsed as steward's department (F.H.) will authorize the holder's service in any capacity in the steward's department, including food handler.