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Montana

Register your new business in Montana by following this comprehensive tax registration guide.

Montana New Business Registration Guide

Taxes You Must Register For

If you’re hiring employees in Montana, you must register for:

  1. State Withholding Income Tax
  1. State Unemployment Insurance (UI) Tax

Tax Agencies

  • Montana Department of Revenue — Income Tax Withholding
  • Montana Department of Labor & Industry — Unemployment Insurance

Step-by-Step Registration Process

Step 1: Register for Withholding Account ID

  1. Go to Montana TAP
  1. Click Register a New Tax Account
  1. Select Register and review the information required
  1. Complete all registration steps
  1. Print the confirmation page upon submission

You will receive a letter from the Montana Department of Revenue that includes your Account ID (upper-right corner of the letter)

Step 2: Create Montana TAP Online Account

  1. After receiving your Account ID, go back to Montana TAP
  1. Click New user – Set up online access
  1. Select My Business Account
  1. Enter your Account ID from the letter or call (406) 444-6900 to retrieve it
  1. Complete identity verification
  1. Create a username and password

You can also find your Account ID on any prior Montana DOR correspondence.

Update your account with your Montana Withholding Account ID to ensure your tax filings are accurate.

Step 3: Register for UI Employer Account Number (EAN)

  1. Go to UIServices for Employers
  1. Click Register a New UI Account
  1. Review the required info and click Next
  1. Select Employer and proceed through the application

Step 4: Create a UIServices Online Account

  1. Return to UIServices
  1. Under Log In, click Sign Up Here
  1. Select Employer and your business role
  1. Enter your FEIN and Montana UI Employer Account Number
  1. Create your username and password

Update your account with your Montana UI Employer Account Number (EAN) to ensure proper unemployment tax processing.

Third-Party Authorization for Check

To enable filing and paying on your behalf for UI:

  • This form is part of the employer onboarding process

Need Help?

  • Withholding (DOR): (406) 444-6900
  • Unemployment (DLI): (406) 444-3834

Disclaimer: This guide is informational only and does not constitute legal or tax advice. Consult a CPA or tax professional for guidance specific to your business.

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Last updated on March 31, 2022

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