In accordance with 5 U.S.C. 6121(2) and 5 CFR 610.408, you may not earn credit hours under a flexible work schedule if you are a Senior Executive Service (SES) member.
The law (under 5 U.S.C. 5542 and 5547) also prohibits the payment of premium pay for Secretarial officers, SES members, the Senior Foreign Service, Foreign Service officers, and persons whose pay is in excess of GS-15, step 10.
Alternative Work Schedules
The law does not prohibit senior executive and senior professional employees from working an alternative work schedule. However, your operating unit must have an alternative work schedule plan in place for your to work one of these schedules.