District of Columbia Code Division VII. Property. § 42-608. Covenant for further assurances;  contracts to contain soil characteristics information.

(a) A covenant by a grantor, in a deed of land, “that he will execute such further assurances of said land as may be requisite,” shall have the same effect as if he had covenanted that he, his heirs or devisees, will, at any time, upon any reasonable request, at the charge of the grantee, his heirs or assigns, do, execute, or cause to be done and executed, all such further acts, deeds, and things, for the better, more perfectly and absolutely conveying and assuring the lands and premises conveyed unto the grantee, his heirs and assigns, as intended to be conveyed, as by the grantee, his heirs or assigns, or his or their counsel learned in the law, shall be reasonably devised, advised, or required.

(b) All contracts drawn for the purpose of conveying real property in the District of Columbia shall contain the following information: