StacksVerified U.S. regulatory reference

46 CFR §153.365

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Except as noted in paragraph (b) of this section, a containment system requiring closed or restricted gauging must:
    1. (1)Be designed to withstand the maximum pressure that develops during an overfill of the densest cargo endorsed for the containment system; or
    2. (2)Have an overflow control system that meets § 153.408; or
    3. (3)Meet the requirements specified by the Commandant (CG-ENG).
  2. (b)A containment system requiring restricted gauging, except for those cargoes that reference §§ 153.525 or 153.527, may be equipped with a spill valve that:
    1. (1)Meets ASTM F 1271 (incorporated by reference, see § 153.4); and
    2. (2)Limits the maximum pressure during liquid overfill at a specified cargo loading rate to that which the containment system is able to withstand (see §§ 153.294(b) and 152.977(b)).