46 C.F.R. § 44.300
Applicability
This subpart applies to each self-propelled hopper dredge—
(a) For which a working freeboard assignment is desired after January 1, 1990; and
(b) That operates with a working freeboard assigned under this subpart.
This subpart applies to each self-propelled hopper dredge—
(a) For which a working freeboard assignment is desired after January 1, 1990; and
(b) That operates with a working freeboard assigned under this subpart.