To prohibit the expenditure of funds for the construction or lease of buildings or space for the United States Government until January 1, 2007.

[AI summary unavailable — showing source text] Prohibits funds from being expended for the construction or lease of buildings or space for any branch of the U.S. government or any entity within such branch, unless a contract for such construction or lease was entered into before the date of enactment of this Act. Provides exceptions in any case in which funds are expended for: (1) construction to rebuild the Gulf Coast region devastated by Hurricane Katrina; and (2) purposes necessary in the interests of national security. Terminates such prohibition on January 1, 2007.…