Where to enter deduction for Montana Political contributions deduction?

Please follow the steps below:

1. Click on State from the Left Side Menu and continue.
2. Click on Edit to start editing your return. Click on Continue and proceed with the remaining questions.
3. It should then ask you if you want to itemize deductions on your 2021 Montana Return. Click Yes. Then click Continue.
4. Then proceed ahead and you should see a question for Political Contributions.

Please refer to the images below for further reference.