Underpayment of Estimated Tax by a Corporation (Form CIT-UT)

May 1, 2024

Use this form to assist in calculating any underpayment interest penalty you may owe with the filing of your Form CIT. Be sure to attach a copy of the completed form to the Form CIT. Any corporation with a tax liability over $5,000 must make estimated payments or risk penalties and interest. (15-31-502, MCA).  Failure to make these payments can result in being charged the underpayment interest penalty.