D.C. Mun. Regs. tit. 6, r. 6-B1223
The occurrence of a legal public holiday shall not affect the designation of the basic workweek.
An employee who is excused from duty on a holiday shall be entitled to the same pay for that day as for a day on which an ordinary day's work is performed.
An agency head may, within his or her discretion, include a holiday within the hours of duty or regular workweek of employees and require them to work on that day.
An employee who is required to work on a holiday as specified in section 1223.3 of this section, but whose absence is approved by the agency, shall be charged sick leave, annual leave, or leave without pay, as appropriate.
An employee who is required to work on a holiday as specified in section 1223.3 of this section, but who is inexcusably absent or refuses to work on a holiday, shall be charged with absence without leave (AWOL) for that period of absence.
An employee under an alternative work schedule pursuant to Section 1208 of this chapter who performs work on a holiday shall be entitled to holiday premium pay as provided in Section 1132 of Chapter 11 of these regulations.
Except as provided in section 1223.8 of this section, an employee who is not required to work on a holiday shall not be charged annual leave, compensatory time, sick leave, or LWOP for that day. An employee on annual leave, sick leave, or compensatory time for a period that includes a holiday shall not be charged annual leave, sick leave, or compensatory time for that day.
An employee in a nonpay status the last day of a regular tour of duty immediately prior to a holiday and the first day of a regular tour of duty immediately after the holiday shall not be entitled to have his or her nonpay status changed to a pay status for that holiday unless the employee works on that holiday.
D.C. Mun. Regs. tit. 6, r. 6-B1223