This Handbook supplements Office of Personnel Management (OPM) guidance for the administration of premium pay for General Schedule (GS), Federal Wage System (FWS) employees, and United States citizens in technical and support positions (pay plan designations FO and FP) paid under the Foreign Service Schedule. 

Throughout the Handbook the term GS is used to include GM, GG, GH, and FC employees and employees under pay demonstration projects who are comparable. ES includes FE.

• Administratively Uncontrollable Overtime
• Annual Premium Pay under Section 7(k) of FLSA
• Authorization of Premium Pay and Overtime Pay under Title 5
• Availability Pay
• Bi-Weekly Pay Limitation
• Calculating overtime entitlements under FLSA
• Call-Back Overtime
• Compensable Overtime Travel
• Eligibility for Paid Holidays
• Eligibility of Premium Pay under Title 5 and FLSA
• Environmental Differential Pay
• Hazard Pay Differential
• Law Enforcement Officers Premium Pay Entitlements
• Night Pay Differential
• Night Shift Differential
• Overtime rates
• Overtime Standards
• Pay for Holiday Work
• Pay for Sunday Work
• Premium Pay and Training
• Premium Pay Definitions
• Premium pay entitlements
• Premium pay for foreign service employees serving abroad
• Regular and irregular overtime
• Standby Duty Pay
• Travel time as hours of work