46 C.F.R. § 121.506 Emergency broadcast placard.
Title 46 - Shipping
A durable placard must be posted next to all radiotelephone installations with the emergency broadcast instructions and information, specific to the individual vessel.
Title 46: Shipping
PART 121—VESSEL CONTROL AND MISCELLANEOUS SYSTEMS AND EQUIPMENT
Subpart E—Radio
§ 121.506 Emergency broadcast placard.