50 CFR §660.319

1. (a)Gear identification.
   1. (1)Open access fixed gear (longline, trap or pot, set net and stationary hook-and-line gear, including commercial vertical hook-and-line gear) must be marked at the surface and at each terminal end, with a pole, flag, light, radar reflector, and a buoy.
   2. (2)Open access commercial vertical hook-and-line gear that is closely tended as defined at § 660.311 of this subpart, may be marked only with a single buoy of sufficient size to float the gear.
   3. (3)A buoy used to mark fixed gear under paragraph (a)(1) or (a)(2) of this section must be marked with a number clearly identifying the owner or operator of the vessel. The number may be either:
      1. (i)If required by applicable state law, the vessel's number, the commercial fishing license number, or buoy brand number; or
      2. (ii)The vessel documentation number issued by the USCG, or, for an undocumented vessel, the vessel registration number issued by the state.
2. (b)[Reserved]