For most taxpayers, the 2011 tax filing season starts on schedule. However, tax law changes enacted by Congress and signed by President Obama in December mean some people need to wait until mid- to late February to file their tax returns in order to give the IRS time to reprogram its processing systems.

Some taxpayers – including those who itemize deductions on Form 1040 Schedule A – will need to wait to file. This includes taxpayers impacted by any of three tax provisions that expired at the end of 2009 and were renewed by the Tax Relief, Unemployment Insurance Reauthorization, and Job Creation Act Of 2010 enacted Dec. 17. Those who need to wait to file include: