No actor is immune from prosecution under any section of this subchapter because of marriage, domestic partnership, or cohabitation with the victim; provided, that marriage or the domestic partnership of the parties may be asserted as an affirmative defense in prosecution under this subchapter where it is expressly so provided.
No immunity from prosecution for spouses or domestic partners
D.C. Code § 22-3019 — under Sex Offenses..
D.C. Code § 22-3019