In the House, Rep. Jerrold Nadler (D-N.Y.) introduced the legislation, known as the Respect for Marriage Act, along with 108 co-sponsors. Among the supporters are the four openly gay members of Congress: Reps. Barney Frank (D-Mass.), Tammy Baldwin (D-Wis.), Jared Polis (D-Colo.) and David Cicilline (D-R.I.).

On the same day, Sen. Dianne Feinstein (D-Calif.), among the 14 senators who voted against DOMA in 1996, introduced companion legislation in the Senate. Among the 18 co-sponsors of the Senate bill are Patrick Leahy (D-Vt.), Kirsten Gillibrand (D-N.Y.), Chris Coons (D-Del.) and Richard Blumenthal (D-Conn.).