Resale and exemption certificates in Missouri: A Practical Guide for Sellers

A Missouri resale certificate is a buyer’s written claim that a purchase qualifies for a sales or use tax exemption, most commonly because the buyer is purchasing goods for resale. Missouri uses Form 149, Sales and Use Tax Exemption Certificate. The buyer gives the completed form to the seller; the seller keeps it as support for treating the covered sale as exempt.

Missouri’s Department of Revenue administers state sales and use tax, and businesses register through the MyTax Missouri portal. Missouri is a home-rule state, so local jurisdictions administer their own taxes. It was the last state in the country to adopt economic nexus, making its remote-seller rules among the newest and least familiar. Sellers should check current Department of Revenue requirements rather than assume that another state’s process applies.

Understand Missouri resale and exemption certificates

A resale certificate is not a general tax-free purchasing card. It documents why a particular purchase is exempt. For a resale claim, the buyer must be acquiring the property for resale in the ordinary course of business, rather than for the buyer’s own use. If goods bought for resale are later used by the buyer, the buyer may owe tax on that use.

Form 149 also covers exemption claims other than resale. The form asks the buyer to identify the applicable exemption basis and describe the property or services covered. A certificate only supports the exemption it actually claims; it does not make an otherwise taxable purchase exempt simply because the buyer has a business or nonprofit status.

Missouri’s local sales and use taxes generally follow the state tax treatment, but local tax administration and sourcing can affect what is due on a transaction. Keep the certificate tied to the relevant buyer and purchases, and review the tax treatment of the sale separately from the certificate paperwork.

Get a Missouri sales tax license before taxable sales

Businesses required to collect Missouri sales tax must register with the Missouri Department of Revenue before making taxable sales. The Department provides online business registration through MyTax Missouri; a paper registration application is also available. Registration requirements depend on the business’s activities and connection to Missouri, so sellers should confirm their obligation with the Department.

Missouri’s remote-seller rules are relatively new compared with those of other states. Whether an ecommerce or cross-border seller must register and collect can depend on its Missouri activity, sales channels, and other facts. Do not rely on a generic nationwide threshold or assume that a marketplace’s collection settles every obligation. Check the current rules and dates on the Missouri Department of Revenue site.

A resale certificate and a sales tax license serve different purposes. A license authorizes a seller to conduct taxable retail sales and meet collection and filing obligations; a certificate documents a buyer’s claim that a purchase from a seller is exempt. The Department’s registration FAQ says a business that is 100% wholesale is not required to register for a retail sales tax license, but it still needs to provide its supplier with the appropriate resale documentation. Confirm how that applies to your business before relying on it.

Use Missouri Form 149 for the right transaction

Form 149 is Missouri’s Sales and Use Tax Exemption Certificate. A purchaser completes it and gives it to the seller to support a qualifying exemption, including purchases of tangible personal property for resale. It is not filed with the Department of Revenue as a routine application for a resale certificate; the seller retains it with its records.

Missouri’s form distinguishes tangible personal property for resale from taxable services for resale. The Department’s instructions state that a purchaser claiming resale of taxable services in Missouri must have a Missouri retail license. The form also identifies certain taxable services, so do not assume that a service qualifies merely because the buyer resells other products.

Use the current Form 149 and follow its instructions for the specific exemption claimed. If the transaction does not fit a listed basis, or you are unsure whether the goods or service qualify, do not use resale as a catch-all. Ask the Missouri Department of Revenue or have a compliance professional review the transaction before treating it as exempt.

Complete the certificate with buyer and purchase details

Identify the purchaser and seller, provide the buyer’s address and tax identification details requested by the form, select the exemption basis, and describe the property or services covered. For tangible personal property purchased for resale, the form requests the retailer’s state tax identification number and home state. The Department’s instructions say the number may be found on a Missouri retail license or an out-of-state retail sales registration.

Rather than give you a figure that may not apply to you, we would check this against the state’s current guidance for your specific setup — ask us and we will tell you exactly where you stand. Make sure the exemption selection and description match the actual transaction. An incomplete form, a mismatched business identity, or a description that does not cover the items sold can undermine the seller’s ability to accept the claim in good faith.

The purchaser should sign and date the certificate as the form requires and provide it to the seller before or when the exempt sale is made. The seller should check that the form is legible, complete, and consistent with the sale, and retain it with the transaction records. Do not alter a certificate to make it fit a different buyer or exemption.

Collect and verify certificates before exempting a sale

Missouri requires sellers to obtain and maintain exemption certificates for exempt sales. A seller that accepts a certificate in good faith may be relieved from collecting tax on the covered sale, but the seller must exercise care that the property or service is actually exempt. If the seller has no certificate for a sale it treated as exempt, it may be held liable for the tax.

Before applying an exemption, compare the certificate with the order, invoice, buyer identity, and goods or services sold. Check that the stated exemption fits the transaction and that the buyer supplied the information required for that claim. Missouri’s rule also requires the seller to indicate on each invoice or bill of sale the name of the purchaser claiming the exemption.

A certificate on file may support later sales to the same purchaser when its terms cover those transactions and the seller can still rely on it in good faith. It should not be used when the certificate does not apply to the transaction or when the seller knows circumstances have changed. If the claim is unclear, collect tax until the issue is resolved or obtain guidance from the Department.

Out-of-state certificates and Missouri resale claims

This means an out-of-state seller’s registration information can be relevant to a Missouri resale claim; it does not mean every certificate issued by another state automatically qualifies for every Missouri transaction.

The rules for goods and services are therefore not interchangeable. Check the current form instructions and the facts of the transaction before accepting an out-of-state document in place of the Missouri form.

When a buyer presents a certificate from another state, verify that it identifies the buyer, states a valid exemption basis, and covers the goods or services being sold. If you cannot establish that the certificate supports the Missouri exemption, ask the buyer for a properly completed Form 149 or confirm the treatment with the Missouri Department of Revenue.

Keep certificates on file and review them for changes

Keep each certificate with records that connect it to the buyer and the exempt sales it covers. Missouri’s exemption-certificate rule permits reliance on a certificate already on file for future sales only when the certificate applies and the seller can continue to rely on it in good faith. A change in the buyer, business activity, purchase type, or exemption basis may require a fresh review or updated documentation.

This one varies by seller and by state, and it is the kind of detail we check for clients as part of the service — get in touch and we will confirm where you stand. Do not assume a certificate remains valid forever or invent a renewal deadline. Review the current Department of Revenue instructions and your own recordkeeping policy; if the certificate is stale, incomplete, or no longer matches the transaction, request an updated one.

Keep the invoice or bill of sale, the certificate, and any supporting correspondence together. This makes it easier to show what was sold, who claimed the exemption, and why the seller accepted it. The exact position here depends on your own facts, so it is worth confirming with the state directly or talking to us about your situation.

Nonprofits, audit risk, and practical controls

A nonprofit cannot use Form 149 simply because it is a nonprofit. Missouri organizations seeking sales tax-exempt status apply to the Department using Form 1746, Missouri Sales Tax Exemption Application. The Department reviews the organization’s eligibility; a nonprofit should provide the seller with the Department’s exemption documentation or other certificate appropriate to the purchase, rather than claiming resale when it is not buying goods for resale.

Incomplete or unsupported certificates create audit risk for both sides. Missouri’s rule provides that a seller and purchaser may be jointly liable when the seller does not act in good faith in accepting a certificate. A purchaser that claims an exemption it is not entitled to, or later uses property inconsistently with its claim, may be liable for the tax. Good records and a transaction-specific review help reduce avoidable errors, but they cannot guarantee an audit outcome.

Build a simple review process: collect the certificate before exempting the sale, check the buyer and exemption details, match it to the invoice, and revisit it when facts change. For ecommerce sellers, include marketplace and direct-sale records in the same review so that exempt treatment is not applied inconsistently across channels. When the correct treatment is uncertain, confirm it with the Missouri Department of Revenue.

Get help managing Missouri exemption certificates

Sales Tax Compliance USA is a done-for-you sales tax service staffed by people, not a software product. We can help ecommerce and cross-border sellers assess Missouri registration questions, organize Form 149 collection and review, and maintain records that connect certificates to exempt transactions.

Missouri’s newer remote-seller rules, local tax administration, and distinctions between resale of goods and resale of taxable services can make a certificate process harder to manage across states. We can review your business facts and help identify questions that need confirmation with the Missouri Department of Revenue. The exact position depends on your circumstances; confirm it with the Department or talk to us and we will check it for you.

Missouri Form 149: how common purchase situations differ

Purchase or claim Missouri documentation and treatment to check
Tangible personal property bought for resale Form 149 identifies the resale basis and requests the retailer’s state tax ID and home state. The buyer should actually acquire the property for resale, not personal or business use.
Taxable service bought for resale Form 149 requests the purchaser’s Missouri tax ID for resale of taxable services, and the Department says the purchaser must have a Missouri retail license to claim that exemption.
Nonprofit organization buying for its own use Nonprofit status alone does not make the purchase exempt. The organization applies for Missouri exemption status using Form 1746 and provides appropriate Department documentation to the seller.
Goods bought tax-free for resale but later used by the buyer The resale claim does not cover the buyer’s own use. The buyer may owe tax when the goods are withdrawn from resale inventory or otherwise used.
Out-of-state buyer claiming resale of goods The Form 149 instructions allow the purchaser’s state tax ID number from an out-of-state retail sales registration for tangible personal property. Verify that the certificate and transaction support the Missouri claim.

Frequently asked questions

What is a Missouri resale certificate?

It is documentation a purchaser gives a seller to support an exemption when buying qualifying property for resale. Missouri uses Form 149, Sales and Use Tax Exemption Certificate. The certificate supports only the exemption claimed and the transactions it covers; it does not exempt purchases the buyer uses itself.

How do I get a Missouri resale certificate?

Download the current Form 149 from the Missouri Department of Revenue, complete the applicable resale section, and give it to your supplier. It is a purchaser-completed certificate retained by the seller, not a separate resale permit issued by the Department. If you need a Missouri sales tax license for your business, register through MyTax Missouri and confirm the requirement for your activities.

What is Missouri Form 149 used for?

Form 149 is Missouri’s Sales and Use Tax Exemption Certificate. Buyers use it to document qualifying claims, including resale of tangible personal property and certain taxable services, as well as other exemptions listed on the form. The buyer gives it to the seller, who keeps it as support for exempt treatment.

Does Missouri accept out-of-state resale certificates?

For tangible personal property purchased for resale, Form 149 requests the retailer’s state tax ID and home state, and the Department says the ID may come from an out-of-state retail sales registration. That does not make every out-of-state certificate valid for every Missouri sale. For taxable services claimed for resale in Missouri, the Department says the purchaser must have a Missouri retail license.

Do I need a Missouri sales tax license to use a resale certificate?

The answer depends on what you sell and the type of purchase. The Department says a purchaser claiming resale of taxable services in Missouri must have a Missouri retail license; its registration FAQ says a business that is 100% wholesale is not required to register for a retail sales tax license. Confirm your specific registration obligation with the Missouri Department of Revenue, especially if you make taxable retail sales or sell remotely into Missouri.

How do I fill out a Missouri sales and use tax exemption certificate?

Use the current Form 149, identify the purchaser and seller, provide the requested tax identification information, select the exemption basis, and describe the property or services covered. Complete the applicable fields, sign and date the form as instructed, and give it to the seller. For resale of taxable services, include the Missouri tax ID information required by the form and confirm that the purchaser has a Missouri retail license.

How long is a Missouri resale certificate valid?

The general Form 149 materials do not establish a universal expiration period for every resale certificate. A seller may rely on a certificate on file for future sales only when its terms cover those sales and the seller can still rely on it in good faith. Review it when business or transaction facts change, and check the current Department instructions if you need a specific renewal rule.

Can a nonprofit use Form 149 to make tax-exempt purchases?

Nonprofit status alone does not make purchases exempt, and Form 149 should not be used to claim resale when the organization is buying for its own use. Missouri organizations seeking sales tax-exempt status apply using Form 1746, Missouri Sales Tax Exemption Application. Once approved, the organization should provide the seller with the Department’s exemption documentation appropriate to the purchase.

How we handle this for you

Because Missouri is a home-rule state, local jurisdictions there can administer and audit their own tax separately from the state, which is where doing this yourself usually stops being viable. We are a managed service: our team registers you with the Missouri Department of Revenue, prepares and files your returns, and keeps you compliant period after period. You get one point of contact and one invoice — you do not get another dashboard to learn.

See our sales tax compliance services, check where you have obligations with the nexus calculator, or talk to us about Missouri.

Official sources

Reviewed by Paul le Roux, CA(SA). Sales Tax Compliance USA handles US sales tax registration, filing and remittance for cross-border and domestic ecommerce sellers as a fully managed service.

This page is general information for educational purposes and does not constitute legal or tax advice. Sales tax rules change and depend on your specific facts. Consult a qualified tax professional about your own position.

Related guides

Other Missouri guides: Amazon FBA · Audit defence · Back sales tax · Deregistration · Filing · Foreign sellers

Resale certificates in nearby states: Illinois

Selling into several states? Check where you have crossed a threshold with the free nexus diagnostic, see the full 51-state threshold table, or browse every state guide.