D.C. Mun. Regs. tit. 8, r. 8-A2101
Negotiations shall commence at a reasonable time upon the request of the Board or labor organization, subject to the requirements of § 2101.2.
A request to commence negotiations, pursuant to § 2101.1, shall be in writing, shall be signed by the authorized agent of the party making the request, and shall set forth a proposed date for the commencement of negotiations, subject to the requirements of this section.
The time for the commencement of negotiations may also be established by mutual assent of the parties through a provision in a ratified agreement or in a written pre-negotiation agreement.
A request to commence negotiations on a date that is more than one hundred twenty (120) days prior to the date of expiration of an existing ratified agreement shall be subject to the agreement of both parties.
The parties may modify or postpone the date for commencement of negotiations by written agreement.
Collective bargaining negotiations shall be conducted between teams of representatives designated by each party.
D.C. Mun. Regs. tit. 8, r. 8-A2101