Useful Items Publication 526  Charitable Contributions 535  Business Expenses 538  Accounting Periods and Methods 544  Sales and Other Dispositions of Assets 925  Passive Activity and At-Risk Rules Form (and Instructions) 1096  Annual Summary and Transmittal of U.S. Information Returns 1099-DIV  Dividends and Distributions 1120  U.S. Corporation Income TaxReturn 1120-A  U.S. Corporation Short-Form Income Tax Return 1120-W  (WORKSHEET) Estimated Tax for Corporations 1120X  Amended U.S. CorporationIncome Tax Return 1138  Extension of Time for Payment of Taxes by a CorporationExpecting a Net Operating Loss Carryback 1139  Corporation Application forTentative Refund 2220  Underpayment of Estimated Tax by Corporations 3800  General Business Credit 4466  Corporation Application for Quick Refund of Overpayment ofEstimated Tax 4562  Depreciation and Amortization 4626  Alternative Minimum Tax--Corporations 5452  Corporate Report of Nondividend Distributions 7004  Application for AutomaticExtension of Time To FileCorporation Income Tax Return 8109  Federal Tax Deposit Coupon 8582-CR  Passive Activity CreditLimitations 8832  Entity Classification Election