Montana — MT
Withholding Tax: Department of Revenue
Agency contact information
Office Hours: Monday-Thursday 9:00am-4:00pm, Friday 9:00am-1:00pm (MST)
Phone Number: (406) 444-6900
Email: dorhelp.mt.gov
Turnaround Time
Middesk: Takes 1-2 days to submit your application/registration for state agency approval given that all the information required is provided on the Middesk registration form.
Department of Revenue: Takes between 14-28 days to process, approve, and return the account details to Middesk.
Portal Account Creation: Log in here
Middesk creates permanent credentials to the agency online portal account.
Unemployment Insurance Tax: Department of Labor and Industry
Agency contact information
Office Hours: Monday-Friday 8:00am-5:00pm (MST)
Phone Number: (406) 444-3834
Email: uieservices@mt.gov
Turnaround Time
Middesk: Takes 1-2 days to submit your application/registration for state agency approval given that all the information required is provided on the Middesk registration form.
Department of Labor and Industry: Takes between 10-28 days to process, approve, and return the account details to Middesk.
Registration Requirement
The Department of Labor does not allow for unemployment insurance registrations to be submitted until the hire date in Montana is reached.
Portal Account Creation: Log in here
Middesk creates permanent credentials to the agency online portal account.