ing Form SS-4 and related ssues,see: Pub. 15 (Circular E), Employers Tax Guide; Pub. 51 (Circular A), Agricultural Employers Tax Guide: Pub. 538, Accounting Poriods and Methods: Pub. 542, Corporations; Pub. 557, Tax-Exempt Status for Your Organization; Pub. 583, Starting a Business and Keeping Records; Pub. 9