Payroll & Taxes

What payroll deadlines should employers track?

Mississippi Operational Guidance

Published May 10, 2026 State-specific operational guidance Update This Question
Operational Review Team

This operational guidance was reviewed by the 70 / 30 Business Operations Intelligence Team, specializing in business operations, payroll compliance, workforce automation, licensing, and multi-state operational requirements.

Payroll Tax Deadlines for Employers in Mississippi

Employers operating in Mississippi must carefully track several payroll tax deadlines to maintain compliance and avoid penalties. Staying on schedule with filings and payments is essential for smooth business operations.

Federal Payroll Tax Deadlines

  • Form 941 (Quarterly Federal Tax Return): Due by the last day of the month following the end of each quarter. For example, the Q1 return (Jan-Mar) is due by April 30.
  • Federal Unemployment Tax (FUTA): Paid annually by January 31 for the previous year, or quarterly if your FUTA tax liability exceeds $500.
  • Employee W-2 Forms: Must be furnished to employees by January 31 and filed with the Social Security Administration by the same date.

Mississippi State Payroll Tax Deadlines

  • Mississippi Withholding Tax: Deposit frequency depends on your withholding amount. Most employers deposit monthly by the 15th of the following month. Large employers may need to deposit semi-weekly.
  • Quarterly Withholding Tax Returns: File Form 89-101 (Withholding Tax Return) quarterly by the last day of the month following the quarter.
  • Unemployment Insurance Tax: Report and pay quarterly using Form UI-3 by the last day of the month following the quarter.

Operational Tips for Managing Payroll Deadlines

  • Automate Reminders: Use payroll software or calendar alerts to track federal and state deadlines.
  • Maintain Accurate Records: Keep detailed payroll and tax records to streamline reporting and audits.
  • Coordinate Payroll and Tax Reporting: Align payroll runs with tax deposit schedules to ensure timely payments.
  • Stay Updated: As of 2026, verify deadlines annually as state or federal requirements may change.
  • Consult with Payroll Professionals: Engage payroll service providers or accountants familiar with Mississippi regulations to reduce compliance risks.
Related: Payroll Tax

Operational References

Operational guidance may vary by state, industry, licensing requirements, workforce regulations, and tax law updates. Businesses should verify compliance, payroll, licensing, and tax requirements directly with official agencies and qualified advisors.

Related Operational Questions

More operational guidance related to Payroll & Taxes in Mississippi.