46 CFR § 108.427
International shore connection
April 15, 2021
A fire main system on a unit in international service must have—
(a) At least one international shore connection that meets ASTM F 1121 (incorporated by reference, see §105.01-3).
(b) A cutoff valve and check valve for each connection; and
(c) Facilities available enabling the connection to be used on either side of the unit.
[CGD 73-251, 43 FR 56808, Dec. 4, 1978, as amended by CGD 88-032, 56 FR 35826, July 29, 1991; USCG-2000-7790, 65 FR 58462, Sept. 29, 2000]