U.S. Return of Partnership Income is used by partnerships for reporting annual taxes.
U.S. Income Tax Return for Estates and Trusts is used by estates and trusts for reporting annual taxes
U.S. Corporation Income Tax Return is used by corporations for reporting annual taxes.
IRS 8804 Schedule A
Penalty for Underpayment of Estimated Section 1446 Tax for Partnerships
U.S. Estate or Trust Income Tax Declaration and Signature for Electronic Filing
Use this form to authorize a signature for an e-filed return filed by an electronic return originator (ERO).
Supplemental Attachment to Schedule M-3. Attach this to Schedule M-3 for Form 1065, 1120, 1120-L, 1120-PC, or 1120S
Entity Classification Election. Entity uses this form to elect how it will be classified for federal tax purposes
Alternative Minimum Tax - Corporations is used by corporations to calculate their alternative minimum tax (AMT) under section 55.
Notice of confirmation that a legal entity has been granted an employer identification number, or EIN.