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 26 - 32 of 32Find 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 4466 Corporation Application for Quick Refund of Overpayment of Estimated Tax 1974 Form 4466 Corporation Application for Quick Refund of Overpayment of Estimated Tax 1973 Form 4466 Corporation Application for Quick Refund of Overpayment of Estimated Tax 1972 Form 4466 Corporation Application for Quick Refund of Overpayment of Estimated Tax 1971 Form 4466 Corporation Application for Quick Refund of Overpayment of Estimated Tax 1970 Form 4466 Corporation Application for Quick Refund of Overpayment of Estimated Tax 1969 Form 4466 Corporation Application for Quick Refund of Overpayment of Estimated Tax 1968 Pagination First page « First Previous page Previous Page 1 Current page 2