Corporations operating on a cooperative basis file this form to report theirincome,gains, losses, deductions, credits, andto figure their income tax liability.Current revisionForm 1120-C PDFInstructions for Form 1120-C (Print version PDF)Recent developmentsNone at this time.Other items you may find usefulAll Form 1120-C revisionsAbout Publication 15, (Circular E), Employer's Tax GuideAbout Publication 51, (Circular A), Agricultural Employer's Tax GuideAbout Publication 225, Farmer's Tax GuideAbout Publication 463, Travel, Gift, and Car ExpensesOther current products Related items About Form 720, Quarterly Federal Excise Tax Return About Form 851, Affiliations Schedule About Form 1122, Authorization and Consent of Subsidiary Corporation to be Included in a Consolidated Income Tax Return About Form 1125-A, Cost of Goods Sold About Form 1125-E, Compensation of Officers About Form 1128, Application to Adopt, Change or Retain a Tax Year About Form 1120 Schedules