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:
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. [37 FR 23611, Nov. 4, 1972, as amended at 54 FR 9683, Mar. 7, 1989]