D.C. Code § 42-3404.04: Third party rights.

(a)

The right of a third party to purchase an accommodation is conditional upon exercise of tenant rights under this subchapter. The time periods for negotiation of a contract of sale and for settlement under this subchapter are minimum periods, and the owner may afford the tenants a reasonable extension of such period, without liability under a third-party contract.

(b)

Third parties and their agents shall not interfere with the tenants' right to organize or otherwise exercise their rights under this subchapter. Third parties may negotiate with tenants for the assignment or waiver of rights pursuant to § 42-3404.06; provided, that the third party first discloses:

(1)

Their identity and that they are interested in purchasing the accommodation;

(2)

That they are not tenant organizers, as defined in § 42-3505.06(a)(2), and do not represent the interests of the tenants; and

(3)

That the tenants have the right to have a training with a certified tenant support provider before engaging in negotiations.

(c)

Third party purchasers are presumed to act with full knowledge of tenant rights and public policy under this subchapter.