Find IRS forms, instructions, publications, and notices for prior years back to 1864. 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 - 8 of 8Find 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 W-7A Application for Taxpayer Identification Number for Pending U.S. Adoptions 2017 Form W-7A Application for Taxpayer Identification Number for Pending U.S. Adoptions 2016 Form W-7A Application for Taxpayer Identification Number for Pending U.S. Adoptions 2011 Form W-7A Application for Taxpayer Identification Number for Pending U.S. Adoptions 2008 Form W-7A Application for Taxpayer Identification Number for Pending U.S. Adoptions 2006 Form W-7A Application for Taxpayer Identification Number for Pending U.S. Adoptions 2003 Form W-7A Application for Taxpayer Identification Number for Pending U.S. Adoptions 1997 Instruction W-7A Instructions for Form W-7-A, Application for Taxpayer Identification Number for Pending U.S. Adoptions 2017