(a) The regulations in this subpart apply to certain violations of the following statutes and regulations for which Coast Guard boarding officers are authorized to issue written warnings instead of recommending civil or criminal penalty procedures under subpart of this part :
(1) 46 CFR 25.05 whistles or other sound producing devices;
(2) 33 CFR part 175, subpart B and 46 CFR subpart 25.25, Personal Flotation Devices.
(b) The Commandant authorizes designated boarding officers to issue warnings for certain minor violations of the statutes and regulations listed in paragraph (a) of this section. Written warnings are not authorized for all violations of these statutes and regulations.