IRS Extension form 8868 is used to get an automatic extension from IRS for non-profit organizations If your nonprofit organization has a deadline of May 16 to file Form 990, they can opt for an IRS extension by making use of the IRS Extension Form 8868. This Form enables nonprofits to seek additional time for filing most tax returns, including Form 990. Tax Filing by Nonprofits: The tax-exempt organizations have May 16 as their tax filing deadline....