Find IRS forms, instructions, publications, and notices for prior years back to 1864.

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Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1976
Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1975
Form 2350 Application for Extension of Time to File U.S. Income Tax Return 1973
Form 2350 (sp) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2024
Form 2350 (sp) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2023
Form 2350 (sp) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2022
Form 2350 (sp) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2021
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2020
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2019
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2018
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2017
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2016
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2015
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2014
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2013
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2012
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2011
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2010
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2009
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2008
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2007
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2006
Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2005
Form 2438 Undistributed Capital Gains Tax Return 2019
Form 2438 Undistributed Capital Gains Tax Return 2018

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