Southeast · MS

How to file Mississippi sales tax

2026 due dates, filing frequencies, form 72-010, and official filing resources.

  • State return: 72-010
  • Monthly returns due: 20th of the month following the period
  • Filing frequencies: Monthly, Quarterly, Annual

When is Mississippi sales tax due?

Monthly Mississippi sales tax returns are due the 20th of the month following the period. Quarterly returns are due the 20th of the month following the period (calendar quarters). When a due date lands on a weekend or federal holiday it moves to the next business day; the 2026 calendar on this page already applies that adjustment.

Mississippi sales tax due dates for 2026

Every date below comes from the state's published deadline rule (dataset 2026.07.0) and is already moved to the next business day when it lands on a weekend or federal holiday. Your account's assigned filing frequency decides which table applies.

Monthly Mississippi sales tax due dates

Rule: 20th of the month following the period.

PeriodPeriod endsReturn due
January 2026Jan 31, 2026Feb 20, 2026
February 2026Feb 28, 2026Mar 20, 2026
March 2026Mar 31, 2026Apr 20, 2026
April 2026Apr 30, 2026May 20, 2026
May 2026May 31, 2026Jun 22, 2026 (moved: 2026-06-20 falls on a Saturday)
June 2026Jun 30, 2026Jul 20, 2026
July 2026Jul 31, 2026Aug 20, 2026
August 2026Aug 31, 2026Sep 21, 2026 (moved: 2026-09-20 falls on a Sunday)
September 2026Sep 30, 2026Oct 20, 2026
October 2026Oct 31, 2026Nov 20, 2026
November 2026Nov 30, 2026Dec 21, 2026 (moved: 2026-12-20 falls on a Sunday)
December 2026Dec 31, 2026Jan 20, 2027

Quarterly Mississippi sales tax due dates

Rule: 20th of the month following the period (calendar quarters).

PeriodPeriod endsReturn due
Q1 2026Mar 31, 2026Apr 20, 2026
Q2 2026Jun 30, 2026Jul 20, 2026
Q3 2026Sep 30, 2026Oct 20, 2026
Q4 2026Dec 31, 2026Jan 20, 2027

Annual Mississippi sales tax due dates

Rule: January 20 following the calendar year.

PeriodPeriod endsReturn due
Calendar year 2026Dec 31, 2026Jan 20, 2027

Mississippi filing notes

  • Large use-tax filers (avg > $20,000/month) owe a June 25 accelerated payment; a parallel sales-tax accelerated payment is unverified (info only).

Return and form

The principal repository-tracked return is 72-010. Paper eligibility is taxpayer-specific; electronic filing or a waiver may control.

Paper filing posture: taxpayer specific

Official Mississippi filing resources

File Mississippi sales tax from reviewed data, not spreadsheets

Prophit.ai tracks every Mississippi due date above inside the return workspace, builds the period from your transaction data, and produces worksheet for portal entry and portal upload file that a reviewer approves before anything is submitted.

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Workflow support does not by itself establish registration, filing authority, credentials, agency acceptance, or tax advice. Confirm your assigned filing frequency with the state.

Mississippi sales tax filing questions

When is Mississippi sales tax due?

Monthly Mississippi sales tax returns are due the 20th of the month following the period. Quarterly returns are due the 20th of the month following the period (calendar quarters). When a due date lands on a weekend or federal holiday it moves to the next business day; the 2026 calendar on this page already applies that adjustment.

How often do you file sales tax in Mississippi?

Mississippi assigns a filing frequency to each account. The published cadences are monthly, quarterly and annual filing; the state assigns the frequency based on tax volume and notifies the account, so confirm the assigned basis before relying on a calendar.

What form is used to file Mississippi sales tax?

The Mississippi return tracked here is 72-010. The principal repository-tracked return is 72-010. Paper eligibility is taxpayer-specific; electronic filing or a waiver may control.

What happens if a Mississippi due date falls on a weekend or holiday?

The due date moves to the next business day. In 2026, 3 of the Mississippi due dates listed on this page are adjusted for a weekend or federal holiday; each adjusted date is marked in the calendar.

Can Mississippi sales tax be filed on paper?

Paper filing posture tracked for Mississippi: taxpayer specific. The principal repository-tracked return is 72-010. Paper eligibility is taxpayer-specific; electronic filing or a waiver may control.