Any sound signal authorized for use by the Coast Guard and manufactured prior to January 1, 1973, is excepted from the requirements in this subpart, except Sec. Sec. 67.10-1 (b) and (c), 67.10-5, and 67.10-10, if the sound signal has a minimum sound pressure level as specified in Table A of Subpart 67.10 of Title 33 of the Code of Federal Regulations in effect on December 31, 1972, for the range required by Sec. 67.20-10, Sec. 67.25-10, or Sec. 67.30-10.
Subpart 67.15_Miscellaneous Marking Requirements