<P> Many Americans find the process of filling out the tax forms more onerous than paying the taxes themselves . Many companies offer free and paid options for reducing the tedious labor involved in preparing one's tax return . </P> <P> A taxpayer who finds a mistake on a previously filed individual income tax return can file corrections with Form 1040X . </P> <P> The annual deadline to file one's Federal individual income tax return is April 15 . The IRS lists scenarios for which Tax Day does not follow this standard deadline . </P> <P> 1 . A return that is mailed to the IRS is timely filed if it is delivered on or before its due date, that is April 15, but is extended to April 18th for the 2015 Tax Season which is the 2016 calendar year . A return with a U.S. postmark, which is delivered after its due date, is considered timely filed if: - the date of the postmark is no later than the due date; - the return was properly addressed; - the return had proper postage . The timely filing, timely mailing rule requires that the return be postmarked within the prescribed filing period . Thus, an individual return postmarked April 16 and received on April 20 is considered filed on April 20 . </P>

When are annual tax returns required to be filed
find me the text answering this question