USAFEI36-803 governs flexible work schedules with credit hours and compressed work schedules for eligible US civilian employees.
View USAFEI36-803 on armypubs.army.mil
It covers standard tours of duty, flexible and compressed schedules, credit hours, overtime, compensatory time, and holiday and leave treatment. It requires written requests, supervisor approvals, timekeeping, work schedule documentation, and accurate accounting of duty hours.
FWS and CWS participation is voluntary, not mandatory, on the part of employees. (paragraph 1)
The standard tour of duty in HQ units and comparable staff offices is 0730-1630, for five 8-hour days, Monday through Friday. (paragraph 2)
Per the Office of Personnel Management Handbook on AWS, the accumulation of credit hours is limited to a maximum of 24 hours between pay periods. (paragraph 2)
Credit hours may not be used by an employee to create or increase entitlement to overtime pay. (paragraph 2)
Employees who wish to request CWS should provide a written request to their supervisor citing the CWS plan for which they wish to participate (i.e., four-day workweek or 5/4-9), the requested days off and the day the employee desires to work 8 hours under 5/4-9. (paragraph 2)