Use Form 6198 to figure: The profit (loss) from an at-risk activity for the current year. The amount at risk for the current year. The deductible loss for the current year. Current revision Form 6198 PDF Instructions for Form 6198 (Print Version PDF) Recent developments None at this time. Other items you may find useful All Form 6198 Revisions About Publication 541, Partnerships About Publication 551, Basis of Assets About Publication 925, Passive Activity and At-Risk Rules Other Current Products Related About Form 1040, U.S. Individual Income Tax Return About Form 1041, U.S. Income Tax Return for Estates and Trusts About Form 1120-S, U.S. Income Tax Return for an S Corporation About Form 4952, Investment Interest Expense Deduction About Form 8582, Passive Activity Loss Limitations About Form 8810, Corporate Passive Activity Loss and Credit Limitations