D.C. Mun. Regs. tit. 22, r. 22-B8505
The PBC shall maintain collective bargaining relationships with unions elected to represent many of its employees.
Employees in these bargaining units shall be subject to the terms and conditions of the applicable collective bargaining agreement. In the event of any inconsistency between the policies and procedures contained herein and the collective bargaining agreement, the collective bargaining agreement shall apply.
PBC shall observe the letter and the spirit of the applicable laws and collective bargaining agreements that govern its labor relations. No employee shall be discriminated against or coerced as a result of his/her legally protected collective bargaining rights. Likewise, the rights of those who do not belong to established bargaining units shall be respected and protected from infringement.
Employees desiring to attend collective bargaining related activities shall obtain the approval of their manager prior to attending such activity.
Management and supervisory employees shall be exempt from being represented for the purposes of collective bargaining.
D.C. Mun. Regs. tit. 22, r. 22-B8505