States Code, or a commercial operation requiring a certificate under part 119 or 135 of title 14, Code of Federal Regulations (or any successor regulation). (2) That a personal operator, as defined in paragraph (49) of section 40102(a) of title 49, United States Code, operating under part 91 of title 14 Code of Federal Regulations (or any successor regulation) shall not be subject to the requirements set forth in part 121, 125, or 135 of title 14, Code of Federal Regulations (or any successor regulation).