Corporations use this form to determine whether the corporation is an applicable corporation under section 59(k) and to calculate corporate alternative minimum tax under section 55.
Current revision
Recent developments
Small corporate taxpayers who reported Corporate Alternative Minimum Tax for tax year 2023 -- 18-Dec-24
Treasury, IRS grant filing exception for tax-exempt organizations from filing new Form 4626, Alternative Minimum Tax - Corporations -- 23-OCT-2024
Partner＊s instructions for Schedule K-1, Box 20, Code ZZ〞CAMT -- 09-APRIL-2024
Corrections to the 2023 Form 4626, Alternative Minimum Tax - Corporations -- 14 -FEB-2024