Nonstatutory documents shall be cited by document designation and by FEDERAL REGISTER volume and page, followed, if possible, by the parallel citation to the Code of Federal Regulations. For example:
1 C.F.R. § 21.53
Authority: Special Civil Air Reg. SR-422A, 28 FR 6703, 14 CFR part 4b . E.O. 11130, 28 FR 12789; 3 CFR 1959-1963 Comp.