(a) Each buoyant vest must have the following information clearly marked in waterproof lettering:
Inspected and tested in accordance with U.S. Coast Guard regulations.
Polyethylene foam buoyant material provides a minimum buoyant force of (15
1/2 lb., 11 lb., or 7 lb.).
Dry out thoroughly when wet.
Approved for use on all recreational boats and on uninspected commercial vessels less than 40 feet in length not carrying passengers for hire by persons weighing (more than 90 lb., 50 to 90 lb., or less than 50 lb.).
(Name and address of manufacturer or distributor).
(b)Waterproof marking. Marking of buoyant vests shall be sufficiently waterproof so that after 72 hours submergence in water it will withstand vigorous rubbing by hand while wet without printed matter becoming illegible.