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 Đang hiển thị 1 - 17 of 17Tìm Trợ Giúp Tìm Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title Số lượng hiển thị mỗi trang 2550100200 Tìm kiếmXóa Số Sản Phẩm Tiêu đề Ngày Sửa Đổi Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2021 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2019 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2018 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2017 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2016 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2015 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2014 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2013 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2012 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2011 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2010 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2009 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2008 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2007 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2006 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2005 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2004