(a) Each pilot 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 or date of manufacture; and
(4) The Coast Guard approval number.
(b) In addition to the markings required under paragraph (a) of this section each step sold as a replacement step must be branded or otherwise permanently and legibly marked with the words ``REPLACEMENT STEP ONLY.'' [CGD 74-140, 46 FR 63291, Dec. 31, 1981, as amended by CGD 79-032, 49 FR 25456, June 21, 1984]