The latest versions of IRS forms, instructions, and publications. 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 正在显示 1 - 2 of 2寻求帮助 发现 显示每一页 2550100200 搜索清除 产品编号 标题 修订版日期 发布日期 Form 4952 Investment Interest Expense Deduction 2023 11/21/2023 Instruction 6069 Instructions for Form 6069, Return of Certain Excise Taxes on Mine Operators, Black Lung Trusts, and Other Persons Under Sections 4951, 4952, and 4953 Dec 2021 12/20/2021