(a) This subpart contains regulations concerning transfer of combustible liquids, certain flammable liquids, and other hazardous materials to or from portable tanks and Intermediate Bulk Containers (IBCs) on vessels.

(b) This subpart applies to the following portable tanks and IBCs:

(1) A marine portable tank (MPT).

(2) An IM 101, IM 102, IMO Type 1, IMO Type 2, or UN portable tank.

(3) A portable tank authorized for hazardous materials by the Associate Administrator for Hazardous Materials Safety (AAHMS) of the Pipeline and Hazardous Materials Safety Administration (PHMSA), under a special permit or Competent Authority Approval issued in accordance with 49 CFR part 107, subpart H.

(4) An IBC, but restricted to those metal IBCs as described in §98.30-6 of this subpart.

[CGD 84-043, 55 FR 37411, Sept. 11, 1990, as amended by CGD 97-057, 62 FR 51046, Sept. 30, 1997; USCG-2011-0088, 78 FR 54785, Sept. 6, 2013]