46 C.F.R. § 13.109 Tankerman endorsement: Authorized cargoes.
Title 46 - Shipping
(a) Each tankerman endorsement described in §13.107 will expressly limit the holder's service under it to transfers involving one or both of the following cargo classifications: (1) Dangerous liquid (DL). (2) Liquefied gas (LG). (b) No tankerman endorsement is necessary to transfer the liquid cargoes in bulk listed in Table 2 of Part 153 of this chapter when those cargoes are carried on barges not certified for ocean service. (c) A tankerman having qualified in one cargo classification and wishing to qualify in another shall apply at an REC listed in §10.105 of this chapter. If he or she meets all requirements for the other, the REC may issue a new MMD including the endorsement.
Title 46: Shipping
PART 13—CERTIFICATION OF TANKERMEN
Subpart A—General
§ 13.109 Tankerman endorsement: Authorized cargoes.

