D.C. Code § 42-305
Any person claiming title to land may convey his interest in the same, notwithstanding there may be an adverse possession thereof.
Mar. 3, 1901, 31 Stat. 1269, ch. 854, § 513
Severance of joint tenancies: This section and § 42-301 do not supersede the common law rule authorizing the unilateral severance of joint tenancies. Estate of Gulledge, App. D.C., 673 A.2d 1278 (1996).
1973 Ed., § 45-105.
1981 Ed., § 45-305.