D.C. Mun. Regs. tit. 10, r. 10-C219
The Board shall issue a written decision with respect to the proposed historic landmark or historic district designation. Each designation decision shall identify the property, describe its general characteristics and significance, specify its boundaries, state the reasons for designation, and indicate whether it is also recommended for nomination to the National Register.
Each designation of a historic district shall state a period of significance for the historic district pursuant to National Register criteria. Subsequent to each designation of a historic district, the SHPO shall prepare an official list of contributing and non-contributing buildings pursuant to National Register criteria, and shall forward that list with the nomination to the National Register.
In any case in which the affected ANC has submitted a duly adopted written recommendation, the designation decision shall be accompanied by a written statement acknowledging the ANC recommendation and indicating the Board's response.
Within ten (10) days of a designation, the Board shall mail a copy of the official designation order signed by the Chairperson as follows:
Within ninety (90) days of a designation, the Board shall publish notice of the designation in the D.C. Register.
If the Board has recommended the nomination of a property to the National Register, the SHPO shall prepare and forward the nomination to the National Register in accordance with the procedures in Chapter 13.
D.C. Mun. Regs. tit. 10, r. 10-C219