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 - 10 of 10Find 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 970 Application to Use Lifo Inventory Method 2020 Form 970 Application to Use Lifo Inventory Method 2012 Form 970 Application to Use Lifo Inventory Method 2005 Form 970 Application to Use Lifo Inventory Method 2001 Form 970 Application to Use Lifo Inventory Method 1998 Form 970 Application to Use Lifo Inventory Method 1995 Form 970 Application to Use Lifo Inventory Method 1992 Form 970 Application to Use Lifo Inventory Method 1990 Form 970 Application to Use Lifo Inventory Method 1987 Form 970 Application to Use Lifo Inventory Method 1985