Telephone Numbers: Montana Department of Revenue local offices; Contacting the Unemployment Insurance Contributions Bureau of the Department of Labor and Industry.

Business Tax Information on the website of the Montana Department of Revenue.

Unemployment Insurance Division of the Department of Labor and Industry.

Registration and Application for Permit. Complete Form GenReg to register as a new business for Montana State Income Tax Withholding.

Montana Employer Registration. Complete Form UI-1 to register to collect Unemployment Insurance tax.

WARP on the Web, a system that allows you to pay and report Montana quarterly withholding tax and unemployment tax electronically.

Miscellaneous tax forms on the website of the Montana Department of Revenue. (You must use original forms sent to you by the tax agencies to report withholding and unemployment tax unless you report electronically.)

workerscompensation.com, a comprehensive resource for Workers' Compensation in Montana, including forms.