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 - 20 of 20Find 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 11-C Occupational Tax and Registration Return for Wagering 2017 Form 11-C Occupational Tax and Registration Return for Wagering 2016 Form 11-C Occupational Tax and Registration Return for Wagering 2013 Form 11-C Occupational Tax and Registration Return for Wagering 2012 Form 11-C Occupational Tax and Registration Return for Wagering 2008 Form 11-C Occupational Tax and Registration Return for Wagering 2006 Form 11-C Occupational Tax and Registration Return for Wagering 2003 Form 11-C Occupational Tax and Registration Return for Wagering 2001 Form 11-C Occupational Tax and Registration Return for Wagering 1998 Form 11-C Occupational Tax and Registration Return for Wagering 1996 Form 11-C Occupational Tax and Registration Return for Wagering 1995 Form 11-C Occupational Tax and Registration Return for Wagering 1992 Form 11-C Occupational Tax and Registration Return for Wagering 1989 Form 11-C Occupational Tax and Registration Return for Wagering 1987 Form 11-C Occupational Tax and Registration Return for Wagering 1985 Form 11-C Occupational Tax and Registration Return for Wagering 1984 Form 11-C Occupational Tax and Registration Return for Wagering 1983 Form 11-C Occupational Tax and Registration Return for Wagering 1981 Form 11-C Occupational Tax and Registration Return for Wagering 1978 Form 11-C Occupational Tax and Registration Return for Wagering 1974