After a church closes, the real estate lingers on as a corporate asset. In order to do anything with that property that is different from the terms of corporation (operate a house of worship), a majority of the board members must vote affirmatively of the proposed action.
To view RCL in action via the case of Our Lady of Vilnius, visit the New York State Court of Appeals web archive page and click on the link for "No. 231 Blaudziunas v. Egan." You will need Windows Media Player to view this video.