D.C. Mun. Regs. tit. 14, r. 14-2401
This chapter establishes the rules governing the operation of the District's Opportunity to Purchase Program under Title IV-A of the Act.
The purpose of the District's Opportunity to Purchase Program shall be to provide the District of Columbia with the opportunity to purchase or assign the right to purchase Housing Accommodations consisting of five (5) or more Rental Units, provided that twenty-five percent (25%) or more of the Rental Units are Affordable Rental Units.
The Mayor's opportunity to purchase under Title IV-A of the Act is subordinate to a Tenant Organization's opportunity to purchase under Title IV of the Act. Tenant Organizations' rights shall not be abrogated.
Third party contract purchasers shall act with full knowledge of tenants' rights, the Mayor's rights, and the public policy under the Act.
All correspondence to the Mayor shall be in writing and shall be addressed to the Mayor c/o Department of Housing and Community Development, Rental Conversion and Sale Division, 1800 Martin Luther King, Jr. Avenue, S.E., Washington, D.C. 20020, or at any such address as designated by the Mayor.
All correspondence to and from the Mayor shall be sent by registered or certified mail, return receipt requested, by commercial overnight delivery service that maintains proof of delivery, by hand delivery, or by any other method designated by the Department of Housing and Community Development. If the Owner delivers the notification to the Mayor by hand delivery, the Owner shall obtain a date stamped copy demonstrating the Mayor's receipt.
All "days" shall be calendar days unless otherwise specified herein. If a time period under the chapter ends on a Saturday, Sunday, or legal holiday, it is extended until the next day which is not a Saturday, Sunday, or legal holiday.
D.C. Mun. Regs. tit. 14, r. 14-2401