This information is for tax software developers. If you are a tax software developer and need a login and password, please contact our office at (601) 923-7700 and provide information verifying that your company is a tax software developer.
By receiving this login and password, you agree to abide by the Mississippi Department of Revenue Guidelines for Providers of Substitute Forms and other policies. Failure to comply may result in penalties.
If you are an authorized member, login below to continue: