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Seller's guide

Sales tax in Wyoming

Everything an online seller needs to know about sales tax in Wyoming: the rate, when you have to register, marketplace rules, filing, and when you can cancel — in plain English.

By John DoeReviewed by Jane Doe, CPAUpdated June 2026How we verify

Confidence: moderate

Parts of this page (often the trailing-nexus timing) are still being verified, so our confidence here is moderate rather than high. Confirm anything you act on with Wyoming Department of Revenue – Excise Tax Division or a tax professional before you register or deregister.

Statewide base rate
4%
Economic threshold
$100,000 in sales
Marketplace law
Yes
Trailing nexus
Minimal
Tax authority
Wyoming Department of Revenue – Excise Tax Division

Source: Wyoming Department of Revenue – Excise Tax Division

Nexus & savings calculator

Estimate whether you still have nexus in Wyoming — and what canceling could save.

$

Wyoming no longer counts transactions — only sales matter here.

$
  • Physical presence
  • Sales over $100,000
  • Transactions (not counted here)
Likely eligible to cancel

Based on these numbers you likely no longer have nexus in Wyoming. You can usually deregister after clearing the trailing-nexus window and filing your final return.

Trailing nexus: Wyoming has limited or no trailing-nexus window — you can generally deregister once your nexus has ended and final returns are filed.

You could stop paying

$600/ yr

How to cancel in Wyoming →

Estimate only — general education, not tax advice. Confirm with Wyoming's tax authority before you register or deregister.

Do you need to collect sales tax in Wyoming?

You have a duty to collect once you have nexus: physical presence (inventory, staff, an office) or economic nexus from crossing $100,000 in sales over previous or current calendar year. Wyoming used to trigger nexus at 200 transactions but removed that count in July 2024 — only the sales figure matters now.

The Wyoming rate

Wyoming's statewide base rate is 4%. Counties and special districts may add up to 2% in local option taxes, bringing combined rates to a range of 4%–6% in most jurisdictions and up to 9% in some.

Marketplace and direct sales

Marketplaces like Amazon collect Wyoming tax for you, but those sales don't count toward your own threshold. Direct sales on your own store you collect yourself.

Filing and zero returns

Once registered, Wyoming requires a return every assigned period even when you owe $0 — miss one and you can face penalties. Filing frequency (monthly, quarterly, or annual) is assigned by the Wyoming Department of Revenue based on average tax liability.

When you can cancel

If your Wyoming returns are mostly $0, you may be over-registered. Canceling your Wyoming sales tax permit makes sense once you have completed a full calendar year (both the current and prior year) with gross sales below $100,000 into Wyoming and no physical presence in the state. The process is handled through the WYIFS online portal — you must submit a final sales tax return and formally close the account, because simply stopping sales leaves you liable for continued filing obligations and penalties.

Where TrailingZero fits

TrailingZero connects to your store read-only, maps where you actually have nexus state by state, and maps your real nexus in Wyoming and flags whether you should register, keep filing, or cancel. During any wind-down it can file the zero-dollar returns so nothing lapses — and you only pay for the states you genuinely keep. Run a free audit anytime; this page is free education either way.

Wyoming Sales tax guide FAQ

Does Wyoming have a sales tax?
Yes. The statewide base rate is 4%. Remote sellers collect it once they have nexus.
When do I have to register for sales tax in Wyoming?
When you have physical presence there or cross $100,000 in sales over previous or current calendar year.
Can I cancel my Wyoming registration if I'm under the threshold?
Generally yes, after clearing Wyoming's trailing-nexus window and filing a final return.
Is this tax advice?
No. This page is general education built from public sources and the rules change often. Confirm your specific situation with the state's tax authority or your accountant before you register or deregister.

More on Wyoming sales tax

See what you can stop paying in Wyoming

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Other states

See all states →

Sources

Primary sources reviewed for this page. Data current as of June 2026.

TrailingZerois software, not a CPA or law firm, and this page is general education — not tax or legal advice. State rules and thresholds change frequently; confirm your situation with the state's tax authority or your accountant before you register or deregister. See how we research and review this data in our editorial & accuracy policy.