Agricultural Land Classification Application (Form AB-3)

October 22, 2024

You may use this form to apply for Agricultural Land Classification.

Agricultural Land Classification Applications are due by March 1 of each year.

How to Submit Your Application

  • Online Submission: Submit Form AB-3 Online. Note: A Montana State Single Sign-on Service Okta Account is required. 
  • Complete a survey for each of your commercial property geocodes. The geocodes can be found in the income and expense reporting letter mailed to you.
  • Paper Form Submission: Fill out, download, and either email, mail, or hand deliver your completed form and all supporting documents to the Montana Department of Revenue field office servicing the county where your property is located.
  • Download the Agricultural Land Classification Application (Form AB-3)

Need Help?

View step-by-step instructions for Montana State Single Sign-On Okta Account Setup.

For more detailed contact information, please visit DOR Field Office Contact Information by County.