Mississippi Payroll Tax Registration

If you are an employer in Mississippi who has recently hired an employee, you will need to register for payroll taxes with the Mississippi Department of Revenue. This registration process ensures that you are compliant with state tax laws and can properly withhold and remit taxes on behalf of your employees.

How Mississippi Payroll Registration Works

There are 2 payroll tax setup tasks you may need to complete in Mississippi to get your new hire on payroll for the first time. You can follow the guide below to help you get registered directly with the Mississippi agencies or use Mosey to do it.

Mississippi Unemployment Insurance Setup for LLC, Corporation, LLP

If you have employees in Mississippi, you must register with the Mississippi Department of Employment Security for an Unemployment Tax account. Registration can be done online or by filing a Status Report (Form UI-1) in person or by mail. Note: 501(c)(3) nonprofit organizations are required to register if they have four or more employees on some portion of a day in each of 20 different weeks of a calendar year. During the registration process, 501(c)(3) organizations will have the choice to either pay unemployment contributions on taxable wages each quarter or elect to reimburse the Mississippi Unemployment Fund for benefits paid to terminated employees.

1. Register with Mississippi Department of Employment Security Online
   

   Register online with the Mississippi Department of Employment Security for an Unemployment Tax account. Your 10-digit Employer Account Number and Unemployment Insurance tax rate is typically issued immediately after registration but can take up to two weeks to process if manual approval is required.

2. Add Unemployment Tax to your Payroll Provider
   

   Once you have your Employment Account Number and Unemployment Insurance tax rate (or reimbursable status), enter them to your payroll provider.

Mississippi Withholding Tax Setup for LLC, LLP, Corporation

If you have employees in Mississippi, you must register with the Department of Revenue for a Withholding Tax account.

1. Register with the Mississippi Taxpayer Access Point
   

   Visit Mississippi Taxpayer Access Point and select “Register for Taxes” to setup a withholding tax account. Your eight or 10-digit account number is typically issued immediately after registration but may take up to 10 business days to process. Account information will also be mailed to you.

2. Add Withholding Information to Your Payroll Provider
   

   After receiving your account number and withholding schedule, add them to your payroll provider.

Mississippi's Payroll Registration Agencies

• Mississippi Department of Employment Security (MDES)
• Mississippi Department of Revenue