5 CFR 551.424 : Administrative Personnel (§ 1.1 To Parts 10003-10049) — (§ 1.1 To Parts 631-699) — Office Of Personnel Management (§ 1.1 To Parts 631-699) — Civil Service Regulations (§ 110.101 To Parts 631-699) — Pay Administration Under The Fair Labor Standards Act (§ 551.101 To § 551.710) — Hours Of Work (§ 551.401 To § 551.432) — Application Of Principles In Relation To Other Activities (§ 551.421 To § 551.426) — Time spent adjusting grievances or performing representational functions.

(a) Time spent by an employee adjusting his or her grievance (or any appealable action) with an agency during the time the employee is required to be on the agency's premises shall be considered hours of work.

(b) “Official time” granted an employee by an agency to perform representational functions during those hours when the employee is otherwise in a duty status shall be considered hours of work. This includes time spent by an employee performing such functions during regular working hours (including regularly scheduled overtime hours), or during a period of irregular, unscheduled overtime work, provided an event arises incident to representational functions that must be dealt with during the irregular, unscheduled overtime period.