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 - 15 of 15Find 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 1028 Application for Recognition of Exemption Under Section 521 of the Internal Revenue Code 2006 Form 1028 Application for Recognition of Exemption Under Section 521 of the Internal Revenue Code 1999 Form 1028 Application for Recognition of Exemption Under Section 521 of the Internal Revenue Code 1997 Form 1028 Application for Recognition of Exemption Under Section 521 of the Internal Revenue Code 1994 Form 1028 Application for Recognition of Exemption Under Section 521 of the Internal Revenue Code 1991 Form 1028 Application for Recognition of Exemption Under Section 521 of the Internal Revenue Code 1988 Form 1028 Application for Recognition of Exemption Under Section 521 of the Internal Revenue Code 1985 Form 1028 Application for Recognition of Exemption Under Section 521 of the Internal Revenue Code 1983 Instruction 1028 Instructions for Form 1028, Application for Recognition of Exemption Under Section 521 of the Internal Revenue Code 2006 Instruction 1028 Instructions for Form 1028, Application for Recognition of Exemption Under Section 521 of the Internal Revenue Code 1999 Instruction 1028 Instructions for Form 1028, Application for Recognition of Exemption Under Section 521 of the Internal Revenue Code 1997 Instruction 1028 Instructions for Form 1028, Application for Recognition of Exemption Under Section 521 of the Internal Revenue Code 1994 Instruction 1028 Instructions for Form 1028, Application for Recognition of Exemption Under Section 521 of the Internal Revenue Code 1991 Instruction 1028 Instructions for Form 1028, Application for Recognition of Exemption Under Section 521 of the Internal Revenue Code 1988 Instruction 1028 Instructions for Form 1028, Application for Recognition of Exemption Under Section 521 of the Internal Revenue Code 1985