A Checklist of the rules on travel as hours of work for federal sector employees covered by the Office of Personnel Management (OPM) compensatory time off for travel regulations (5 C.F.R. § 550.1401). This Checklist identifies the federal employees covered by OPM's compensatory time off for travel regulations, addresses the procedures for crediting compensatory time off, using accrued compensatory time, and forfeiting unused compensatory time off. This Checklist addresses federal regulation and procedures applicable to federal sector employees.