D.C. Code § 42-3404.12: Exceptions to coverage of subchapter; expiration provisions.

Sections 42-3404.02, 42-3404.04, 42-3404.05, 42-3404.06, 42-3404.07, § 42-3404.09(c)(5), § 42-3404.10(a)(3) and (4), and § 42-3404.11(3) and (4) apply to any sale of a housing accommodation for which a contract is not fully ratified prior to June 3, 1980, and the period for contracting pursuant to § 601 or § 602 of the Rental Housing Act is not expired prior to September 10, 1980. This subchapter applies in its entirety to any sale of a housing accommodation for which a notice pursuant to § 601 or § 602 of the Rental Housing Act is not received by the tenants in at least 50% of the occupied rental units in the housing accommodation prior to June 3, 1980. This subchapter shall remain in effect until the Mayor declares that a housing crisis no longer exists pursuant to § 42-3405.12. This subchapter does not apply to accommodations for which a vacancy exemption is approved, as provided in § 42-3402.10.