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

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Notice 609 Privacy Act Notice 1992
Notice 609 (SP) Privacy Act Notice (Spanish Version) 2013
Form 637 Application for Registration (For Certain Excise Tax Activities) 2022
Form 637 Application for Registration (For Certain Excise Tax Activities) 2019
Form 637 Application for Registration (For Certain Excise Tax Activities) 2017
Form 637 Application for Registration (For Certain Excise Tax Activities) 2013
Form 637 Application for Registration (For Certain Excise Tax Activities) 2012
Form 637 Application for Registration (For Certain Excise Tax Activities) 2009
Form 637 Application for Registration (For Certain Excise Tax Activities) 2006
Form 637 Application for Registration (For Certain Excise Tax Activities) 2005
Form 637 Application for Registration (For Certain Excise Tax Activities) 2000
Form 637 Application for Registration (For Certain Excise Tax Activities) 1998
Form 637 Application for Registration (For Certain Excise Tax Activities) 1996
Form 637 Application for Registration (For Certain Excise Tax Activities) 1994
Form 637 Application for Registration (For Certain Excise Tax Activities) 1992
Form 637 Application for Registration (For Certain Excise Tax Activities) 1990
Form 637 Application for Registration (For Certain Excise Tax Activities) 1987
Form 637 Application for Registration (For Certain Excise Tax Activities) 1985
Form 637 Application for Registration (For Certain Excise Tax Activities) 1984
Form 637 Application for Registration (For Certain Excise Tax Activities) 1983
Form 637 Application for Registration (For Certain Excise Tax Activities) 1981
Form 673 Statement for Claiming Exemption from Withholding on Foreign Earned Income Eligible for the Exclusion(s) Provided by Section 911 2019
Form 673 Statement for Claiming Exemption from Withholding on Foreign Earned Income Eligible for the Exclusion(s) Provided by Section 911 2007
Form 673 Statement for Claiming Exemption from Withholding on Foreign Earned Income Eligible for the Exclusion(s) Provided by Section 911 2006
Form 673 Statement for Claiming Exemption from Withholding on Foreign Earned Income Eligible for the Exclusion(s) Provided by Section 911 2003

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