Special rate supplement
Special rate supplement means the portion of a special rate paid above an employee's scheduled annual rate of pay. However, for a law enforcement officer receiving an LEO special base rate who is also entitled to a special rate, the special rate supplement equals the portion of the special rate paid above the officer's LEO special base rate. When a special rate schedule covers both LEO positions and other positions, the value of the special rate supplement will be less for law enforcement officers receiving an LEO special base rate (since that rate is higher than the corresponding GS rate). The payable amount of a special rate supplement is subject to the Executive Schedule level IV limitation on special rates, as provided in 5 CFR 530.304.