D.C. Mun. Regs. tit. 6, r. 6-B1208
An alternative work schedule, as defined in Section 1299 of this chapter, is inclusive of:
The Mayor may establish a mandatory alternative work schedule, as provided in Subsection 1204.1.
Pursuant to Section 1201(e) of the CMPA (D.C. Official Code § 1612.01(e) (2014 Repl.)), an agency director may establish an alternative work schedule for employees when such a work schedule is considered practicable and feasible and the costs of the agency will not be substantially increased.
Employee participation in an alternative work schedule established by an agency director shall be voluntary.
An alternative work schedule, if established, must be offered on an equal basis to all agency employees who are in substantially similar positions.
An agency head's decision to exclude classes of positions from participating in an alternative work schedule shall be final and not subject to appeal or grievance.
The basic requirements for establishing an alternative work schedule shall be as follows:
Independent agencies may develop an alternative work schedule policy that differs from the provisions in Section 1208 through 1210 of this chapter.
D.C. Mun. Regs. tit. 6, r. 6-B1208