Line 21 – Alternative minimum taxable income (AMTI)

Married/RDP taxpayers filing separate returns complete the following worksheet if line 21 is more than $465,231.

Enter the amount from Schedule P (540), Part I, line 21.

Maximum exemption amount $465,231.

Subtract line 2 from line 1.

Multiply line 3 by 25% (.25).

Enter the smaller of line 4 or $60,029.

Add line 1 and line 5. Enter the result here and replace the amount on Schedule P (540), Part I, line 21, with this amount.