Section 555.401 - Reference to amended sections(a) Reference to any section in this part is a reference to the same as currently amended, unless the reference includes a specific date. See44 U.S.C. 1510 .(b) Reference to any regulation, ruling, instruction, order, directive, or license issued pursuant to this part is a reference to the same as currently amended unless otherwise so specified. 85 FR 7223 , 2/7/2020; 88 FR 52028 , 8/7/2023