What Is a Uniform Multijurisdiction Exemption Certificate?

A uniform multijurisdiction exemption certificate is a single standardized form that lets a buyer claim sales tax exemptions in several states at once, instead of completing a separate exemption form for each state. You list every state where you’re claiming exemption, provide your tax registration number for each one, state the reason for the exemption, and sign. Two organizations publish widely accepted versions: the Multistate Tax Commission (MTC) and the Streamlined Sales Tax Governing Board (SSTGB). Which one you use depends on the states involved and the type of exemption you’re claiming.

The Two Versions and When to Use Each

The MTC’s Uniform Sales & Use Tax Resale Certificate is the older and broader-reaching form. Its most recent revision lists 36 states that accept it as a valid resale or exemption certificate.1Multistate Tax Commission. Uniform Sales and Use Tax Resale Certificate The name is a bit narrow for what the form actually does. It’s built around resale transactions, but many of those 36 states also accept it for other exemption types, subject to state-specific notes printed on the form itself.2Multistate Tax Commission. Uniform Sales and Use Tax Resale Certificate – Multijurisdiction If you only need to document purchases for resale, the MTC form usually reaches the most states with the least friction.

The SSTGB’s Certificate of Exemption is the newer form, tied to the Streamlined Sales Tax Agreement. It covers a wider range of exemption categories beyond resale, including agricultural use, manufacturing, and direct government purchases. Its reach is smaller: the member states of the Streamlined Sales Tax initiative.3Streamlined Sales Tax Governing Board. About the Streamlined Sales Tax Governing Board If your exempt purchases fall outside simple resale, the SSTGB certificate is often the better fit for transactions sourced to those states.

Many businesses keep both on file. The MTC form handles resale across the widest number of states, and the SSTGB form covers specialized exemptions in Streamlined member states. Using the wrong form for a given state and exemption type is one of the more common issues that surfaces during audits.

Which States Accept Each Form

The MTC certificate lists all 36 accepting jurisdictions directly on the form, and that list includes large states that aren’t part of the Streamlined initiative: California, Florida, Illinois, Pennsylvania, and Texas among them.2Multistate Tax Commission. Uniform Sales and Use Tax Resale Certificate – Multijurisdiction Each state’s acceptance comes with notes and conditions printed on the form itself, so review the instructions for every state you list.

The SSTGB certificate is accepted by these full member states:3Streamlined Sales Tax Governing Board. About the Streamlined Sales Tax Governing Board

  • Arkansas
  • Georgia
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Michigan
  • Minnesota
  • Nebraska
  • Nevada
  • New Jersey
  • North Carolina
  • North Dakota
  • Ohio
  • Oklahoma
  • Rhode Island
  • South Dakota
  • Utah
  • Vermont
  • Washington
  • West Virginia
  • Wisconsin
  • Wyoming

Tennessee participates as an associate member and also accepts the SSTGB certificate. For states not on either list, you’ll need to use that state’s own proprietary exemption form. Confirm current acceptance with the state’s revenue department before relying on either multijurisdiction certificate, because individual states update their requirements from time to time.

How to Fill Out the Certificate

The buyer completes the certificate, not the seller. Details matter, because a certificate with missing or incorrect information can be treated as invalid during an audit, and the seller ends up owing the uncollected tax.

Start with your business identification: legal name, address, and a short description of what your company does. On the MTC form, that’s a descriptor like “Wholesaler,” “Retailer,” or “Manufacturer.” The SSTGB form asks for similar information and adds checkboxes for the specific type of exemption you’re claiming.

The critical section is the state-by-state listing. For each state where you’re claiming exemption, enter that state’s abbreviation and your sales or use tax ID number for that state. You also indicate the reason for the exemption. On the MTC form, that’s typically a single selection for resale. On the SSTGB form, you choose from a list of exemption categories. The reason you select has to be an exemption that actually exists under the law of the state where the purchase is sourced. Claiming an exemption that isn’t available in that state voids the certificate for that transaction.

Finally, decide whether the certificate covers a single purchase or serves as a blanket certificate for all future qualifying purchases from that seller. For a single purchase, include the invoice or purchase order number. For a blanket certificate, no transaction-specific detail is needed; it covers recurring exempt purchases going forward.

When You Can Use a Home-State Registration Number

Some states let you use your home-state registration number if you aren’t registered in the purchase state. This comes up often in resale situations where an out-of-state buyer has no nexus in the seller’s state. Roughly ten states, though, insist on their own state-issued registration number, and a home-state number won’t satisfy them.

The same distinction drives drop-shipping documentation. When a retailer with no nexus in the delivery state uses a manufacturer or distributor to ship directly to the end customer, most states let the shipper accept the retailer’s home-state resale certificate, the MTC form with the home-state ID, or, in Streamlined states, the SSTGB certificate with the home-state ID. The strict states reject those alternatives. Some of them will accept a pass-through arrangement, where the retailer submits their home-state certificate along with the end customer’s exemption certificate from the delivery state. If you regularly drop-ship, identify which of your delivery states fall into the strict category before an audit finds them for you; when documentation fails there, the manufacturer or distributor is the one on the hook.

Good-Faith Protection for Sellers

A properly completed certificate protects the seller. Under the Streamlined Sales Tax Agreement, a seller who obtains a fully completed exemption certificate within 90 days of the sale is relieved of liability for that transaction’s sales tax, even if the buyer turns out to have claimed the exemption improperly.4Streamlined Sales Tax Governing Board. SST Good Faith Definition The liability shifts to the buyer.

Missing the 90-day window doesn’t end the protection. When a state auditor requests substantiation, the seller gets an additional 120 days to either prove the transaction wasn’t taxable through other means or obtain the completed certificate from the buyer.4Streamlined Sales Tax Governing Board. SST Good Faith Definition The cure period operates under a good-faith standard with three requirements:

  • The seller had no reason to believe the buyer wasn’t entitled to the exemption.
  • The certificate contains nothing the seller knows or should know to be false or misleading.
  • The buyer supplied all required information, including name, address, and a valid tax ID number.

In practice, good faith means the seller didn’t ignore obvious problems. If a buyer purchases consumer electronics and claims a resale exemption but has no plausible resale business, accepting that certificate is a risk. Auditors look at patterns, and sellers who accept certificates for transactions that don’t pass a basic smell test can lose the protection. Non-Streamlined states generally apply a similar good-faith concept, though the specific timelines and cure periods vary.

Blanket Certificates, Renewal, and Recordkeeping

A blanket certificate covers all qualifying exempt purchases between a buyer and seller on an ongoing basis, without a new form for every order. That’s far more practical for regular purchasing relationships. The certificate remains valid as long as the buyer keeps making recurring purchases under it.

Expiration rules vary. Some states treat blanket certificates as valid indefinitely as long as the information is current. Others require periodic renewal. Changes to the buyer’s business, such as a new name, new address, ownership change, or a revoked sales tax registration, can void an existing certificate. When that happens, the buyer needs to issue an updated certificate or formally revoke the old one in writing. Sellers should flag certificates that haven’t been used in years, because a stale certificate for a business that may no longer exist is unlikely to survive audit scrutiny.

Both sides need to keep copies. Sellers should retain every exemption certificate at least until the statute of limitations expires for the tax periods those certificates cover. In most states, the sales tax statute of limitations runs three to four years from the date the return was filed or due, and some states extend that period when fraud or substantial underreporting is involved, so holding certificates longer is the safer default.

What Happens If the Certificate Is Missing or Wrong

When an auditor finds exempt sales without a valid certificate behind them, the transactions get reclassified as taxable. The seller owes the uncollected tax plus interest, and most states add penalties. An expired certificate receives the same treatment as no certificate at all; every sale after the expiration date is presumed taxable.

For buyers, misusing an exemption certificate is a separate exposure. Issuing a fraudulent certificate to avoid sales tax is a criminal offense in most states, with fines and, in some jurisdictions, imprisonment. A buyer who misuses a certificate also faces assessment of all unpaid tax plus penalties and interest going back to the earliest misuse the auditor can document.

Most audit problems aren’t fraud. They’re administrative gaps: certificates never collected, forms missing a registration number, blanket certificates that expired without renewal, or exemption reasons that don’t match what was actually purchased. An annual self-review of your certificate file is cheaper than discovering those gaps when the state does.

Electronic Certificates

Most states now accept electronically signed exemption certificates. An electronic certificate has to contain all the same information as the paper version and include an electronic signature, generally defined as any electronic sound, symbol, or process attached to the record and executed with the intent to sign. The seller accepting electronic certificates also needs a procedure to verify the identity of the signer. There’s no single mandated authentication method, but the seller has to be reasonably certain the signer is who they claim to be.

Storage matters too. The retained certificate has to be reproducible in a readable format and accessible if the state asks for it during an audit. Many tax compliance platforms capture the certificate and signature at checkout and store the record in a searchable system. If you’re still handling paper, moving to electronic collection cuts the risk of misfiled or lost documents when an audit arrives.