No person shall load or carry other cargoes in a cargo containment system of a U.S. flag ship endorsed to carry sulfuric acid, hydrochloric acid, or phosphoric acid without specific authorization from the Commandant (CG-ENG). [CGD 94-900, 59 FR 45139, Aug. 31, 1994, as amended by USCG-2014-0688, 79 FR 58284, Sept. 29, 2014]