(a) Except as otherwise provided by this section, the master of each vessel shall prepare and post durable emergency-instruction placards in conspicuous locations accessible to the crew members and offshore workers.

(b) The instruction placards must contain the recommended “Emergency Instructions” listed in §131.340 that, in the judgment of the cognizant OCMI, apply. The placards must be further designed to address the equipment, arrangement, and operation peculiar to each vessel.