46 C.F.R. § 15.1040
The following U.S. navigable waters located within the State of Massachusetts when the vessel is in transit, but not bound to or departing from a port within the following listed operating areas:
[CGD 92-061, 60 FR 24796, May 10, 1995, as amended by USCG-1998-4442, 63 FR 52189, Sept. 10, 1998]