(a) Except inside lines specifically described in this section, the 72 COLREGS shall apply on all other bays, harbors and lagoons of Puerto Rico and the U.S. Virgin Islands.
(b) A line drawn from Puerto San Juan Light to position18°28.5′ N., 066°08.4′ W, at the northwest extent of Isla de Cabras across the entrance of San Juan Harbor.
[CGD 77-118a, 42 FR 35784, July 11, 1977. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981, as amended by USCG-2008-0179, 73 FR 35002, June 19, 2008; USCG-2013-0397, 78 FR 39172, July 1, 2013]