MS

Mississippi Surplus Lines Tax Filing 2026

The Mississippi surplus lines tax is 4% of gross premium, plus a 0.25% stamping fee. SLTax360 automates every filing so MGAs, wholesalers, and retail brokers stay compliant without manual entry.

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Rates effective from 2026-07-24

Mississippi Rates Snapshot
Surplus Lines Tax 4%
Stamping Fee 0.25%
MWUA Windstorm Fee 3%

Estimate only. Figures are calculated from published state rates and are not a guarantee of the amounts due. Verify with the applicable state or stamping office before filing.

How SLTax360 Files Mississippi Surplus Lines Taxes

Filing surplus lines tax in Mississippi means navigating Mississippi's specific submission channel, fee structure, and deadline rules. SLTax360 abstracts that away: we maintain the Mississippi rate configuration in a versioned table and apply it automatically to every invoice you submit.

Each Mississippi transaction we file is itemized into its components: surplus lines tax (4%), stamping fee (0.25%). Your audit trail then shows exactly which line went where. Confirmations are retained, deadlines are tracked, and filings are reconciled against your invoice data.

How Mississippi filings are submitted: SLTax360 keeps the Mississippi rates, rules, deadlines and reports, and prepares each filing for submission through your own Mississippi portal account, either by your team or by ours on a supported plan. There is no direct electronic filing integration for Mississippi today, and we would rather say so than call it automated. You keep your own Mississippi licence and portal login either way.

Whether you're an MGA filing a handful of Mississippi transactions per month or a wholesaler running hundreds, the amounts, the deadline and the paperwork are handled in one place. Want to verify the numbers yourself first? Run a free Mississippi calculation (no signup required).

Mississippi Notes: Mississippi: 4% SL tax, 0.25% Stamping fee. MWUA Windstorm Fee - 3%

Mississippi Surplus Lines FAQ

As of 2026, the Mississippi surplus lines tax rate is 4% of gross premium. The tax base in Mississippi includes policy fees.

Yes. Mississippi applies a stamping fee of 0.25% on top of the surplus lines tax. Stamping fees fund the state-designated stamping office that reviews and processes filings.

Beyond the base surplus lines tax and stamping fee, Mississippi also applies a fire marshal tax of 3%. SLTax360 itemizes all of these on every filing so you can audit each line.

Yes, as a prepared filing. SLTax360 maintains the Mississippi rates, rules and deadlines, calculates what is owed, produces the report or form the state requires, and stores the confirmation and payment record. However, there is no direct electronic filing integration for Mississippi today, so the submission itself is made through your own Mississippi portal account. We would rather state that plainly than describe it as automated. You keep your own Mississippi licence and portal login. Try the free Mississippi rate in the public calculator before signing up.

Mississippi: 4% SL tax, 0.25% Stamping fee. MWUA Windstorm Fee - 3%

Ready to Take Mississippi Filings Off Your Desk?

A 20-minute demo will show you exactly how your Mississippi volume runs end to end, and what changes in the other states you write.

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