Mississippi — MS
Withholding Tax: Department of Revenue
Agency contact information
Office Hours: Monday-Friday 9:00am-5:00pm (CST)
Phone Number: (601) 923-7700
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 28-50 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 Employment Security
Agency contact information
Office Hours: Monday-Friday 8:00am-5:00pm (CST)
Phone Number: (601) 321-6000
Email: tax@mdes.ms.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 Employment Security: Takes between 30-60 days to process, approve, and return the account details to Middesk.
Registration Requirement
The Department of Employment Security does not allow for unemployment insurance registrations to be submitted until the hire date of the first employee in Mississippi is reached.
Portal Account Creation: Log in here
Middesk creates permanent credentials to the agency online portal account.