Code of Federal Regulations Title 5. Administrative Personnel § 5.550.142 General restrictions

(a) More than the premium pay which would otherwise be payable under this subpart for the hours of actual work customarily required in his position, excluding standby time during which he performs no work;  and

(b) Less than the premium pay which would otherwise be payable under this subpart for the hours of duty required in his position, including standby time during which he performs no work.