This announcement affects all filers who use the FIRE System and may wish to submit test files. Effective November 1, 2010, filers who wish to submit electronic test files must now point their browser to http://fire.test.irs.gov. This system is designed to support electronic filing tests of information returns only. Electronic filing test dates for Tax Year 2010 are November 1, 2010, through February 15, 2011. If you have questions concerning the announcement, please call toll-free 1-866-455-7438.