See this URL for the programs have due dates that fall between October 1
–25, 2013, and these dates are being revised due to the Federal government shutdown.
These revised dates apply whether the proposal is being submitted via the NSF FastLane System or Grants.gov. Due to compressed proposal deadlines resulting from the shutdown, proposers are advised that they may experience a delay when contacting IT Help Central with technical support questions.
Frequently asked questions regarding these date changes are available on the Resumption of Operations page on the NSF website at: http://www.nsf.gov/bfa/dias/policy/postshutdown.jsp