(a) Carriers providing cargo operations in interstate air transportation that also conduct other operations under section 41102 shall comply with the provisions of part 241 of this title.

(b) Carriers providing cargo operations in interstate air transportation under section 41103 certificates shall comply with § 291.42.

(c) Carriers providing cargo operations in interstate air transportation under section 41103, and also providing other services under part 298 of this title, shall report their cargo operations in interstate air transportation operations in accordance with § 291.42, and shall report all other traffic in accordance with the provisions of subpart F of part 298.