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 Mostrando 76 - 79 of 79Buscar 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 Instruction 6251 Instructions 1993 Instruction 6251 Instructions 1992 Instruction 6251 Instructions 1991 Instruction 6251 Instructions 1990 Pagination First page « Primero Previous page Anterior Page 1 Page 2 Page 3 Página actual 4