I just came across this great article on NPR.org explaining exactly what government agencies will be effected by the government shutdown. The unofficial word on the street is the shutdown is to take affect at 12 midnight.
“The consequences of a partial government shutdown would be felt most immediately and visibly in areas where the public interacts directly with agencies. But if it drags on, those consequences could spread through the federal court system, the mortgage industry and even the launch of a space shuttle.
In the short term, the 394 sites run by the National Park Service would be closed, while income tax returns filed on paper would not be processed. There would also be fresh headaches for people trying to get their mortgage loan applications approved or applying for Social Security benefits….”
Read the rest at http://www.npr.org/2011/04/08/135239853/whats-closed-and-whats-not-in-a-shutdown