Instructions for Form 4768(Rev. August 2012) Application for Extension of Time To File a Return and/or Pay U.S. Estate (and Generation-Skipping Transfer) Taxes Section references are to the Internal Revenue Code unless otherwise noted. An executor filing Forms 706 or 706-NA for a decedent's estate may file Form4768 to apply for an extension of time to file under section 6081(a) and/or an extension of time to pay the estate tax under section 6161(a)(2 Topic page for Form4768,Application for Extension of Time To File a Return and/or Pay U.S. Estate (and Generation-Skipping Transfer) Taxes Instructions for Form 4768, application for extension of time to file a return and/or pay U.S. estate (and generation-skipping transfer) taxes (Online) [electronic resource]. Form M-4768Instructions 9/11 Massachusetts Form M-706 Department of Revenue For every estate Form M-4768 Application for Extension of Time to File Massachusetts Estate Tax BUSINESS TAXES ONLY Download or print the 2017 Federal Form4768 See instructions. Additional Extension Part III Extension of Time To Pay (Section 6161) Forms and Publications (PDF) Instructions: Tips: Inst 4768: Instructions for Form 4768, Application for Extension of Time To File a Return and/or Pay U.S. Estate Instructions for Form 4720, Return of Certain Excise Taxes Under Chapters 41 and 42 of the Internal Revenue Code 2017 Instructions for Form 4768, Filling out IRS Tax Form 4868 can be a bit daunting. Here is a step-by-step guide and instructions that you can follow to request a personal tax extension. Estates must file IRS Form4768 to ask for an extension of time to file the estate's tax return. You can ask for more time to pay any tax due as well.