Montana TPA + POA needed

Important
To effectively communicate with tax offices on your behalf, you must grant us Third Party Administrator access and/or Power of Attorney. Each tax office has its own authorization process, and may require different actions for you to take.

Montana Department of Labor

1. Download the Montana TPA
2. Complete the "Employer" information section at the top 
3. Add the signature of the Employer/Taxpayer
4. Provide OnPay with a copy of your completed form

Download the TPA form: 

Montana TPA

Montana Department of Revenue

1. Download the Montana POA
2. Complete the following information in Part I:
   • Section 1: Taxpayer Information
   • Section 6: Signature of Taxpayer
3. Provide OnPay with a copy of your completed form

Download the POA form: 

Montana POA

Providing account information & completed forms

Submit a request and attach completed forms

To provide the information detailed in this article, click Submit a request, and log in using your OnPay credentials. The "Submit a request" form is the most secure way to transmit your company information and documents to us. 

Submit a request

Note: You will need your OnPay login credentials.

You can also submit a request anytime you need help

Requests can also be submitted by clicking the link at the bottom of any help article, or by starting a chat when logged into OnPay. Submitting a support request is the fastest and most secure way to get help with tax matters, technical advice, or any other support you may need from OnPay. 

Forms to return:

• Montana TPA 200 KB
• Montana POA 700 KB