Find IRS forms, instructions, publications, and notices for prior years back to 1864. If a PDF file won't open, try downloading the file to your device and opening it using Adobe Acrobat. View more information about Using IRS Forms, Instructions, Publications and Other Item Files. Click on a column heading to sort the list by the contents of that column. Enter a term in the Find box Click the Search button Showing 1 - 19 of 19Find Help Find Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title Show per page 2550100200 SearchClear Product Number Title Revision Date 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
