Seller's Permit

A seller's permit is one of the most common compliance requirements for businesses that sell physical products at retail. Most states require a seller's permit before a business makes its first taxable sale. Operating without one can result in penalties, back taxes, and interest owed to the state.

How a seller's permit works

When a business holds a seller's permit, it acts as a collection agent for the state. At the point of sale, the business charges customers the applicable sales tax rate, collects those funds, and remits them to the state tax authority on a regular schedule—typically monthly, quarterly, or annually.

The permit itself does not generate revenue for the business. It simply grants legal authority to collect sales tax and creates an obligation to file sales tax returns on time.

To get a seller's permit, generally you'll need to register with the state's department of revenue or taxation. Most states offer online registration, and many do not charge an application fee, though some require a security deposit based on estimated sales volume.

Why a seller's permit matters

Selling taxable goods without a seller's permit is a compliance violation in most states. Penalties vary by jurisdiction but can include fines, interest on unpaid tax, and in some cases, forced closure of the business.

Beyond legal compliance, a seller's permit is often required to open a merchant account, establish wholesale purchasing relationships, or qualify for resale exemptions. Many suppliers will not sell inventory at wholesale prices without proof of a valid permit.

For businesses purchasing goods for resale, a seller's permit also enables the use of a resale certificate, which is a document that allows the buyer to purchase inventory without paying sales tax at the time of purchase, since the tax will be collected when the goods are sold to the end customer.

Common uses and examples of a seller's permit

A seller's permit applies across a wide range of business types and industries. Common scenarios include:

• Retail stores. A clothing boutique that sells apparel to consumers must collect sales tax on each transaction and remit it to the state.
• E-commerce businesses. An online retailer selling taxable products across the country is generally required to hold a seller's permit in each state where it has nexus.
• Craft and market vendors. A vendor selling handmade goods at a farmers market or craft fair typically needs a seller's permit, even for occasional or seasonal sales.
• Wholesale distributors. A business that sells goods to retailers may need a permit to document that its sales are exempt from sales tax at the wholesale level.

The specific taxability of goods and services varies by state. Some states impose no state sales tax at all, while others exempt groceries, prescription drugs, or certain services, which affects whether a permit is required for a given business type.

Key characteristics of a seller's permit

A seller's permit is state-specific. A business operating in multiple states must obtain a separate permit in each state where it has a sales tax obligation, though economic nexus thresholds vary significantly by state, from $100,000 in most states to $500,000 in California.

Most seller's permits do not expire, but they must be renewed if business information changes, such as a change of address, ownership, or business structure. Some states issue permits with expiration dates that require periodic renewal.

The permit number assigned at registration is used on resale certificates and sales tax filings. It functions as the business' identifier within the state's tax system.

Seller's permit vs. business license

A seller's permit and a business license are distinct authorizations that serve different purposes. A business license grants general permission to operate a business within a jurisdiction. A seller's permit specifically authorizes the collection of sales tax on taxable transactions. Many businesses need both: a general business permit to operate legally and a seller's permit to conduct taxable sales.

Considerations and best practices

• Determine nexus before registering. A business is required to collect sales tax in states where it has nexus, meaning a sufficient connection to the state, such as a physical location, employees, or a certain volume of sales exceeding $100,000 or 200 transactions annually.
• Register before the first sale. Most states require a seller's permit to be in place before a business makes its first taxable sale, not after. Retroactive registration does not eliminate liability for prior uncollected taxes.
• Keep records of all sales tax collected. Accurate record keeping is essential for filing returns and responding to audits. Sales tax software can automate collection and reporting across multiple jurisdictions.
• Understand what is taxable in each state. Not all products and services are taxable in every state, and multiple states have recently expanded their taxable categories, including digital goods, now taxable in over 30 states. A business selling both taxable and exempt goods must track each category separately to file accurate returns.

Related terms and next steps

Understanding a seller's permit is one part of a broader business licensing picture. Related permits and authorizations that business owners commonly encounter alongside a seller's permit include.

• Business permit. A general operating license required by most jurisdictions, separate from a seller's permit
• Home occupation permit. Required in many localities for businesses operating out of a residence
• Zoning permit. Governs where a business may legally operate within a municipality
• Health permit. Required for businesses in food service or other health-regulated industries

All required licenses and permits, including a seller's permit, must be identified before opening for business to reduce the risk of fines and operational disruptions. LegalZoom's business license report service can help identify which federal, state, and local permits apply to a specific business type and location.

FAQs about seller's permits

How much does it cost to get a seller's permit?

Most states issue seller's permits at no charge, but some require a security deposit, typically calculated based on estimated monthly sales volume, which is held against potential unpaid tax liability. A handful of states charge a nominal registration fee, so the total cost depends on the state where the business registers.

Does a seller's permit expire?

In many states, a seller's permit remains valid indefinitely as long as the business is actively operating and the permit information stays current, but it must be updated if the business changes its address, ownership structure, or legal name. Some states do issue permits with fixed expiration dates that require periodic renewal, so it is worth confirming the rules with the relevant state tax authority at the time of registration.

Can a business sell taxable goods before receiving its seller's permit?

Most states require the permit to be in place before the first taxable sale is made, not after, and retroactive registration does not eliminate liability for sales tax that should have been collected in the interim. A business that begins selling without a permit may owe back taxes, interest, and penalties on every taxable transaction made during the unlicensed period.

Is a seller's permit required for selling only occasionally, such as at craft fairs or seasonal markets?

In most states, occasional or seasonal sales do not exempt a business from the seller's permit requirement, as the obligation is generally triggered by the nature of the sales, not their frequency. A vendor selling taxable handmade goods at a single weekend market typically has the same registration requirement as a full-time retailer operating a storefront.

What is the difference between a seller's permit and a resale certificate?

A seller's permit is the license issued by the state that authorizes a business to collect sales tax from its customers; a resale certificate is a separate document, made possible by holding a seller's permit, that allows a business to purchase inventory from a supplier without paying sales tax at the time of purchase. The resale certificate effectively defers the tax obligation to the point of the final sale, when the business collects it from the end customer.

Does an online business need a seller's permit if it has no physical store?

Following the Supreme Court's 2018 decision in South Dakota v. Wayfair, physical presence is no longer the determining factor. An online seller that exceeds a state's economic nexus threshold, typically $100,000 in sales or 200 transactions annually, is generally required to register for a seller's permit in that state regardless of where the business is physically located. This means an e-commerce business can have sales tax obligations, and permit requirements, in dozens of states simultaneously.