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 Publication 597 Information on the United States-Canada Income Tax Treaty 2015 Publication 597 Information on the United States-Canada Income Tax Treaty 2014 Publication 597 Information on the United States-Canada Income Tax Treaty 2011 Publication 597 Information on the United States-Canada Income Tax Treaty 2009 Publication 597 Information on the United States-Canada Income Tax Treaty 2006 Publication 597 Information on the United States-Canada Income Tax Treaty 2002 Publication 597 Information on the United States-Canada Income Tax Treaty 1998 Publication 597 Information on the United States-Canada Income Tax Treaty 1996