Mississippi Sales Tax Registration2026

Learn when and how to register for sales tax permits including state thresholds and economic nexus rules.

Quick Mississippi Tax Estimate

Based on Mississippi's tax rates for 2026. Enter your details for a personalized calculation.

State Tax on $80K Profit
$1,289.93
SE Tax
$11,303.64
Effective Rate
21.8%
Marginal Rate
12%

Mississippi Tax Information

State Income TaxYes
Top Marginal Rate4%
Sales Tax0%
LLC Filing Fee$0
Annual Report Fee$None
Standard DeductionN/A

Self-employed pay both federal and Mississippi state tax.

Mississippi Income Tax Brackets (2026)

Tax RateFromTo
0%$0$10,000
4%$10,000No limit

Mississippi Quarterly Tax Deadlines

Q1
Apr 15
Q2
Jun 16
Q3
Sep 15
Q4
Jan 15

Frequently Asked Questions

When do I need to collect sales tax in Mississippi?
You need to collect sales tax if you have a physical presence (office, warehouse, employees) OR exceed the economic nexus threshold (typically $100K in sales or 200 transactions) in Mississippi.
How do I register for a sales tax permit in Mississippi?
Register through the Mississippi Department of Revenue website. The permit is typically free but may require a bond. You'll receive a filing frequency based on sales volume.