46 C.F.R. § 160.017-25 Marking.
Title 46 - Shipping
(a) Each chain ladder step manufactured under Coast Guard approval must be branded or otherwise permanently and legibly marked on the bottom with— (1) The name of the manufacturer; (2) The manufacturer's brand or model designation; (3) The lot number and date of manufacture; and (4) The Coast Guard approval number. (b) [Reserved]
Title 46: Shipping
PART 160—LIFESAVING EQUIPMENT
Subpart 160.017—Chain Ladder
§ 160.017-25 Marking.

