46 C.F.R. § 77.03-1
(a) The installation of all systems of a marine engineering nature, together with the details of design, construction, and installation, shall be in accordance with the requirements of subchapter F (Marine Engineering) of this chapter. Systems of this type include the following:
Steering systems. Power for going astern. Bilge and ballast systems. Tank vent and sounding systems. Overboard discharges and shell connections. Pipe and pressure systems.