Apart from stipulations reached during or as a result of the pre-hearing conference, the parties may stipulate in writing at any stage in the proceeding or orally during the hearing any relevant fact or the contents or authenticity of any document.
Post-conference stipulations may be received as evidence.
Parties may also stipulate the procedure to be followed in the proceeding and such stipulation may, on motion of all parties, be approved by the Board and govern the conduct of the proceeding.
D.C. Mun. Regs. tit. 3, r. 3-5512