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Jacquelyn Martin, Associated Press
Occupy DC demonstrators raise a tarp to form a symbolic "tent" over the statue in McPherson Square in Washington, Monday, Jan. 30, 2012, in a protest of expected enforcement of no-camping regulations.

WASHINGTON — A judge in Washington says the federal government must notify one of the last major Occupy encampments if it intends to close a downtown park to protesters.

U.S. District Judge James Boasberg also ruled Tuesday that the Occupy DC protesters will have a chance to contest any eviction plans.

The National Park Service on Monday began enforcing a ban on camping that would affect the Occupy DC sites. But many protesters remained behind, and government officials have not given any indication of when or if the demonstrators will be cleared.

The primary Occupy site is at McPherson Square, just blocks from the White House.