About Us Site Index Contact Us Home  > Employer Services  >  Quarterly Report and Tax Due Dates Quarterly Report and Tax Due Dates     Quarterly wage reports and taxes are due by the last day of the month following the close of each calendar quarter, unless the report date is a Saturday, Sunday, or a state or federal holiday.  In that case you may file and pay on the following workday.                             1st quarter due--------April 30th                           2nd quarter due------ July 31st                           3rd quarter due------- October 31st                           4th quarter due------- January 31st Quarterly tax and wage reports can be filed and paid online. You must be registered to use our online system. To begin filing and obtain your user id and password, select here.   If you already have a user id and password, select here.    Reports should be mailed to: Mississippi Department of Employment Security Contributions and Status Department P O Box 22781 Jackson, MS  39225-2781       There are service centers that offer programs and resources geared toward your job seeking and claim needs.   Find a WIN Job Center   New Hire Reporting   Required Job Posters   Employment Issues   Find Tax Field Reps   Rehiring Veterans   MDES Law and Regulations   Why should I report new hires?   When will I be liable to pay UI taxes?   What is the tax rate for a new employer?   What are the report and payment due dates?   How can I file online?   What is MLPP?   All FAQs   Mississippi.gov   USDOL   Privacy & Security Disclaimer | Accessibility Policy | Internal Security The Mississippi Department of Employment Security is an equal opportunity employer. Auxiliary aids and services are available upon request to individuals with disabilities.