Form CLT-4 - Montana Department of Revenue - revenue mt 2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by entering your corporation's name and FEIN at the top of the form. Ensure that you include a copy of federal Form 1120 as filed with the IRS.
3. Fill in your mailing address, state of incorporation, and the date qualified in Montana. Mark any applicable boxes regarding your filing status, such as 'Amended Return' or 'Final Return'.
4. In Part I, indicate your filing method by answering questions about exemptions and consolidated groups. If applicable, complete Schedule M for additional details.
5. Proceed to Part II if you are filing an amended return. Mark all relevant options and provide necessary documentation.
6. Complete Part III by answering general questions about your Montana activities and previous tax returns.
7. In the computation sections, accurately report taxable income, additions, reductions, and calculate your Montana tax liability based on provided instructions.
8. Finally, review all entries for accuracy before submitting. Use our platform’s features to save or print your completed form for submission.

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