D.C. Code § 16-3707
If, after notice as provided by section 16-3706 , the defendant fails to appear, the court may proceed as in case of default after personal service.
Dec. 23, 1963, 77 Stat. 605, Pub. L. 88-241, § 1
1973 Ed., § 16-3707.
1981 Ed., § 16-3707.