Whoever, being 18 years of age or older, is in a significant relationship with a minor, and engages in a sexual act with that minor or causes that minor to engage in a sexual act shall be imprisoned for not more than 15 years and may be fined not more than the amount set forth in § 22-3571.01, or both.
D.C. Code § 22-3009.01
Applicability of D.C. Law 19-317: Section 401 of D.C. Law 19-317 provided that the act shall apply only to offenses committed on or after June 11, 2013.