Section 80.135 - Hull, MA to Race Point, MA(a) Except inside lines described in this section, the 72 COLREGS apply on the harbors, bays, and inlets on the east coast of Massachusetts from the easternmost radio tower at Hull, charted in approximate position latitude 42°16.7' N., longitude 70°52.6' W., to Race Point on Cape Cod.(b) A line drawn from Canal Breakwater Light 6 south to the shoreline.CGD 77-118a, 42 FR 35784, July 11, 1977, as amended by CGD 79-066, 45 FR 15176, Mar. 10, 1980. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981, and amended by CGD 84-091, 51 FR 7786, Mar. 6, 1986; USCG-2022-0323, 88 FR 10028, Feb. 16, 2023 USCG-2022-0323, 88 FR 10028, 2/16/2023