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 Mostrando 401 - 407 of 407Buscar ayuda Buscar Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title Mostrar por página 2550100200 BuscarBorrar Número de producto Título Fecha de revisión Form 1120-X Amended U.S. Corporation Income Tax Return 1976 Form 1120-X Amended U.S. Corporation Income Tax Return 1975 Form 1120-X Amended U.S. Corporation Income Tax Return 1974 Form 1120-X Amended U.S. Corporation Income Tax Return 1973 Form 1120-X Amended U.S. Corporation Income Tax Return 1972 Form 1120-X Amended U.S. Corporation Income Tax Return 1971 Form 1120-X Amended U.S. Corporation Income Tax Return 1970 Pagination First page « Primero Previous page Anterior Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Página actual 9