D.C. Code § 6-333.02

Whenever a building in the District of Columbia is converted from rental to condominium units, or is substantially rehabilitated or demolished, or is discontinued from housing use, the Relocation Assistance Office shall provide relocation advisory services for tenants who move from the converted, substantially rehabilitated, demolished, or discontinued building. This includes: ascertaining the relocation needs for each household; providing current information on the availability of equivalent substitute housing; supplying information concerning federal and District housing programs; and providing other advisory services to displaced persons in order to minimize hardships in adjusting to relocation.