Starting a retail business is exciting—picking out inventory, designing your storefront, and building your brand. What’s less exciting? Paperwork. But here’s the truth: The right tax documents don’t just keep you compliant. Some of them actually put money back in your pocket.
If you’re launching a retail business for the first time, this is the short list of tax documents you need to get in order before you ring up your first sale. Skip any of these, and you’re looking at penalties, lost deductions, or—in the case of number four—literally overpaying on every single inventory purchase.
1. Employer Identification Number (EIN)
Think of your EIN as a Social Security number for your business. The IRS issues it, it’s free, and you’ll need it for almost everything: opening a business bank account, filing taxes, hiring employees, and even setting up vendor accounts.
How to get one: Apply directly on the IRS website. It takes about five minutes, and you’ll get your number immediately. There’s no reason to pay a third-party service for this—the IRS makes it painless.
Why it matters: Without an EIN, you can’t separate your personal and business finances. That’s a problem come tax time and an even bigger problem if you’re ever audited.
2. State Business License (or General Business Permit)
Most states and many cities require businesses to obtain a general business license before they can legally operate. The name varies—it might be called a business tax certificate, a business operating license, or a general permit—but the concept is the same: the government wants to know you exist.
How to get one: Check with your state’s Secretary of State office and your local city or county clerk. Some states handle it online; others still require paper forms. Costs range from $50 to a few hundred dollars, depending on your location and business type.
Why it matters: Operating without one can result in fines, and in some jurisdictions, the government can shut you down entirely. It’s also a prerequisite for getting several of the other documents on this list.
3. Sales Tax Permit (Seller’s Permit)
If you’re selling tangible goods—which, as a retailer, you are—you need a sales tax permit. This authorizes you to collect sales tax from your customers and remit it to the state. D.C. and 45 states plus charge sales tax, so unless you’re in Alaska, Delaware, Montana, New Hampshire, or Oregon, this applies to you.
How to get one: Apply through your state’s Department of Revenue or equivalent tax agency. It’s usually free, though some states require a small deposit.
Why it matters: Collecting sales tax without a permit is illegal. Not collecting it when you should is also a problem—you’ll owe it out of pocket when the state comes asking. And they will come asking.
4. Resale Certificate—The One That Saves You Thousands
Here’s where most new retailers leave serious money on the table.
A resale certificate lets you purchase inventory without paying sales tax to your suppliers. You’re not dodging the tax -the tax gets collected when you sell the item to the end customer. But without this certificate, you’re paying sales tax twice: once when you buy inventory and again when your customer pays at checkout. That double taxation adds up fast.
How fast? If your state’s sales tax rate is 8% and you’re purchasing $50,000 worth of inventory a year, that’s $4,000 you’re throwing away. For a new business watching every dollar, that’s a massive, completely avoidable expense.
The process for getting one varies by state. Some states issue it as part of your sales tax permit; others have a separate form. The requirements, validity periods, and accepted formats differ, too. If you want a clear walkthrough of how resale certificates work and how to get one for your state, check out our detailed guide on resale certificates.
Not sure how much you’d actually save? There’s a free savings calculator that lets you plug in your numbers and see the annual impact for your specific business.
The bottom line: If you buy goods to resell, get your resale certificate before you place your first wholesale order. It’s one of the simplest ways to protect your margins from day one.
5. Use Tax Registration
This is the one almost nobody talks about, and it catches many new business owners off guard.
Use tax is the counterpart to sales tax. It applies when you purchase something for your business from an out-of-state seller who didn’t charge you sales tax. Bought office furniture from an online retailer that doesn’t collect your state’s tax? You owe use tax on that. Ordered packaging supplies from another state? Same thing.
How to get registered: In most states, use tax is reported on the same return as your sales tax. If you already have a sales tax permit, you’re typically set up to report use tax. But double-check with your state’s tax agency—some require separate registration.
Why it matters: States are becoming increasingly sophisticated tracking out-of-state purchases, especially as economic nexus laws expand. Getting this right from the start is much easier than sorting it out during an audit three years from now.
A Quick Note on Timing
Don’t wait until you’re drowning in orders to get these documents lined up. The best time to handle all five is during your business formation phase, before you’ve bought inventory, hired staff, or made your first sale.
Here’s a practical order of operations:
- Get your EIN (takes minutes, do it first)
- Register your business and obtain your state/local license
- Apply for your sales tax permit (this is often a prerequisite for step four)
- Get your resale certificate so your first inventory purchases are tax-exempt
- Confirm your use tax obligations so you’re reporting correctly from the start
None of this is glamorous. None will get your heart racing the way picking out inventory does. But together, they form the foundation that keeps your business legal, audit-proof, and, in the case of your resale certificate, significantly more profitable.
The retail businesses that survive their first few years aren’t just the ones with the best products. They’re the ones that got the fundamentals right. These five documents are the fundamentals.
Dennis Feher is Operations Manager at ResaleCertificate.org, where he oversees tax certificate registrations across all 50 U.S. states. The company has processed over 50,000 resale certificates for small businesses nationwide.
Photo courtesy Maria Ivanova for Unsplash+
