The term workweek shall mean a period of 7 consecutive days starting on any day selected by the employer. Overtime shall be compensated on a workweek basis regardless of whether the employee is compensated on an hourly wage, monthly salary, piece rate or other basis. Overtime hours worked in a workweek may not be offset by compensatory time off in any prior or subsequent workweek.
34 Pa. Code § 231.42
This section cited in 34 Pa. Code § 231.43 (relating to regular rate).