In determining the hours for which an employee is employed, there shall be excluded any time which is excluded by section 3(o) of the Fair Labor Standards Act of 1938, as amended, from the computation of hours worked for purposes of sections 6 and 7 of that act.

[18 FR 1832, Apr. 2, 1953. Redesignated at 24 FR 10952, Dec. 30, 1959, and further redesignated at 61 FR 40716, Aug. 5, 1996]