Why You Need a Resale Certificate

If you are operating as a domestic retailer or wholesaler in the used phone market, chances are you will need a resale certificate when purchasing from a US-based supplier.

Be careful not to confuse a resale certificate with a seller’s permit. A seller’s permit is a document that allows retailers to collect sales taxes and sell goods legally in their state. You do not actually need a resale certificate to sell online or in your store. While a seller’s permit may be required when you sell goods, a resale certificate is often required when you buy goods. In this post, we explain what a resale certificate is, who needs one, how to get one, and why they ultimately benefit you.

For businesses operating in the mobile device resale market, a resale certificate is the first document that suppliers ask for when setting up an account. Without it, inventory can be hard to secure. Resale certificates signal to suppliers that you’re a legitimate business, which helps establish trust and streamlines the onboarding process. By having this documentation in place, wholesalers and retailers can ensure smoother transactions and avoid potential disruptions to their inventory supply.

What Is a Resale Certificate?

A resale certificate (sometimes called a resale license, nontaxable transaction certificate, sales tax exemption certificate, reseller’s license, reseller’s certificate, sales tax permit, or sales tax ID) is a state-issued tax exemption certificate that allows resellers to purchase products to sell without paying state or local sales taxes. Taxes are still collected, but only when the reseller sells the goods they purchase to the end customer. This prevents sales tax from being collected twice.

In practical terms, a tax resale certificate maintains that a business is a part of the resale chain and not the final customer. When a supplier accepts a resale certificate, the responsibility of collecting (and paying) sales tax is shifted from the buyer to the final consumer. In the mobile device resale market, this distinction often carries added scrutiny because mobile phones and tablets are high-value items, and a phone resale certificate validates the buyer’s status as a reseller. Resale certificates are also used to verify that a reseller’s purchase activity aligns with resale patterns and not for personal use.

Best Practices for Obtaining a Resale Certificate

Resale certificates should be obtained early and kept current. Suppliers use them to set up accounts and to review purchase volume, shipping destinations, and changes in buying behavior.

To reduce delays and account holds, follow these best practices:

• Apply as early as possible, before placing large orders.

• Keep the legal business name and address consistent across documents.

• Use the correct state-issued certificate for each purchase.

• Update documentation after business changes (address, entity type, tax status).

• Maintain records that match purchasing and resale activity.

Common Pitfalls to Avoid

Problems usually occur when purchasing behavior changes, but documentation does not. In a market where devices are serialized and closely tracked, mismatches are easy to flag and can pause transactions.

Avoid these common issues:

• Using outdated certificate details

• Shipping to new states or addresses without updated documentation

• Increasing order volume without confirming account details with the supplier

• Submitting inconsistent business information across forms

Resale Certificates are a Must for Most Domestic Buyers

Many suppliers (including WeSellCellular) won’t sell goods to domestic retailers or wholesalers without a resale certificate. There are two reasons for this. They don’t want to be responsible for collecting sales taxes and they want to protect themselves from future tax liability if their customer does not submit the required sales taxes to the government.

For phone wholesalers in particular, suppliers are often unwilling to release inventory without the proper documentation in place. A phone resale certificate allows suppliers to validate that any device they sell is being purchased for resale and not for other uses, which directly affects their own compliance obligations.

If you yourself are a domestic wholesaler that plans to sell to another reseller, then it is even more important that you understand how a resale license works. Sales taxes are only paid once on goods, and retailers will charge the end consumer that tax. Given that, wholesalers with a resale tax certificate can avoid having to deal with taxes altogether, though it’s important to note that those wholesalers will both have to present a resale certificate to buy inventory and collect reseller certificates from their customers when they sell that inventory.

Requirements for International Buyers and Domestic Buyers in Tax Free States

Domestic buyers located in Alaska, Delaware, Montana, New Hampshire, and Oregon do not have to present a resale certificate when purchasing inventory because these states do not have sales tax. Retailers selling in these states are typically issued some type of business license that serves as proof that they aren’t required to collect taxes from the end consumer.

International buyers are responsible for paying taxes in their own countries and do not need to show a resale certificate to have inventory shipped abroad. They do need to show freight forwarding documentation if they plan to ship inventory within the United States before it is exported to another country, or they otherwise have a US shipping address.

For instance, a Brazilian buyer with an office in Miami might ship inventory to Miami first and then forward it to Brazil through Portugal. Their freight forwarding certification serves as proof that they aren’t planning to sell to buyers in the United States and so do not have to collect sales tax.

This distinction matters because resale certificates apply to domestic sales tax rules. International buyers who cannot provide appropriate export documentation may still be treated as domestic purchasers. Mobile phones can contribute to compliance issues.

Since these devices are high-value and are commonly inspected during the customs process, many countries impose an import VAT, tariff, or other device-specific fees that apply to inventory once it crosses the border. Incomplete or inaccurate freight documentation can delay shipments or trigger additional fees. It can also expose buyers to unexpected tax liability.

Obtaining a Resale Certificate

Resellers who want to learn how to obtain a resale certificate sometimes have trouble finding a straight answer. That’s because every state has different regulations concerning resale licenses.

In some states, a business’ resale certificate ID number is the same as their sales tax registration number, while in other states it is a separate number. The laws for how to get a resale certificate vary from state to state. Obtaining a resale certificate is typically a matter of applying with the state’s tax agency, which can usually be done online. The easiest way to find out how to get a resale certificate in any given state is to reach out to that agency directly.

For businesses operating across state lines, this often means maintaining more than one resale certificate. A single certificate may not be accepted by every supplier, depending on where the inventory is shipped and where the supplier is located.

There is a process to follow when applying for and using a resale certificate:

• Register the business to collect sales tax through the state tax or revenue agency where the supplier is based.

• Obtain the resale certificate associated with that registration and complete it using accurate business information and a description of the business’s intended resale activity.

• Provide the completed resale certificate to suppliers before or at the time of purchase. Suppliers typically retain the certificate for their files and will not process tax-exempt sales without it.

• Confirm that a supplier will accept your certificate (especially when sourcing inventory across state lines). Some suppliers require state-specific certificates based on shipment destination or supplier location.

• Maintain certificates over time by tracking renewal requirements where applicable, and update documentation when your business details change.

For more information on how to apply for a resale certificate in each state, check out the Multistate Tax Commission.

Generic Multi-State Forms vs. State Specific Resale Certificates

Depending on what state you are shipping to, suppliers may accept generic tax exemption forms rather than state specific forms. The two main generic tax exemption forms available are the UNIFORM SALES & USE TAX EXEMPTION/RESALE CERTIFICATE — MULTIJURISDICTION form and the Streamlined Sales Tax Agreement Certificate of Exemption. You should always ask about a supplier’s requirements so that you fill out the correct form.

One final complicating factor is that some suppliers may need a resale tax certificate issued by the state in which that supplier is located. That’s because the following states do not allow suppliers to accept out-of-state resale certificates:

• California

• Florida

• Hawaii

• Illinois

• Louisiana

• Maryland

• Massachusetts

• Washington

• Washington D.C.

At the end of the day, the US tax code is complicated, so if you are confused, don’t worry! At WeSellCellular, we make it easy for our customers to provide the right resale certificate or generic multistate tax exemption form by asking for the specific forms required during the customer setup process. We have also published a list of what documentation is necessary if you are shipping to different states so there’s never any confusion.

Frequently Asked Questions About Resale Certificates

Do all states require a resale certificate for purchasing phones?

No. States without sales tax do not require a resale certificate.

Do wholesalers need a resale certificate to sell used phones online?

Yes. Selling online does not change the requirements. Inventory still needs to be purchased.

Can a resale certificate be used across state lines?

It depends on the state and the supplier. Some transactions require state-specific resale certificates.

How can a resale certificate help reduce costs when sourcing used phones for resale?

By avoiding upfront sales tax on inventory purchases, wholesalers can reduce their costs and protect their resale margins.