On 12 December, Yeltsin and parliament speaker Khasbulatov agreed on a compromise that included the following provisions: (1) a national referendum on framing a new Russian constitution to be held in April 1993; (2) most of Yeltsin's emergency powers were extended until the referendum; (3) the parliament asserted its right to nominate and vote on its own choices for prime minister; and (4) the parliament asserted its right to reject the president's choices to head the Defense, Foreign Affairs, Interior, and Security ministries. Yeltsin nominated Viktor Chernomyrdin to be prime minister on 14 December, and the parliament confirmed him.