IRS Business Code for Online Sales: 454110 and Alternatives

The IRS business code for online sales is 454110, Electronic Shopping and Mail-Order Houses, and it fits most people selling physical goods through a website, app, or marketplace. The important caveat: the IRS classifies you by what you sell or do, not by the fact that you sell online. A handmade jewelry seller, a freelance developer, and a general merchandise reseller all operate on the internet, and all three use different codes.1U.S. Census Bureau. North American Industry Classification System – 454110 Electronic Shopping and Mail-Order Houses

Who Should Use Code 454110

The Census Bureau defines 454110 as businesses “primarily engaged in retailing all types of merchandise using nonstore means, such as catalogs, toll free telephone numbers, or electronic media, such as interactive television or the Internet.” In practice, that covers a solo eBay reseller, a Shopify store shipping thousands of orders a month, and most things in between.

It also applies to dropshippers and Amazon FBA sellers. A third party may warehouse, pack, and ship your inventory, but you’re still the retailer, and the fulfillment method doesn’t change the classification. The same holds for sellers on Etsy, Walmart Marketplace, or any platform where you list products and a customer buys from you.

One technical note. The 2022 NAICS revision eliminated 454110 and folded online retailers into product-specific retail categories.2U.S. Census Bureau. North American Industry Classification System – 2022 NAICS The IRS has not adopted that change on its tax forms, so 454110 is still the code to use. Pull the code from the instructions for the specific form and tax year you’re filing, not from the Census Bureau’s current tables, because the IRS list sometimes lags the NAICS version by years.

When a Different Code Fits Better

Selling through a website doesn’t automatically make you an electronic retailer. If your primary activity is making the product rather than reselling it, the manufacturing code for that product is more accurate.

Someone who hand-makes jewelry and sells it exclusively online is primarily a manufacturer. Code 339910 (Jewelry and Silverware Manufacturing) reflects what the business actually does.3U.S. Bureau of Labor Statistics. Occupational Employment and Wage Statistics – NAICS 339910 – Jewelry and Silverware Manufacturing The same logic applies to a baker selling custom cakes through Instagram, a woodworker with an Etsy shop, or anyone whose core work is production rather than resale. The storefront is just the sales channel.

Digital products and services fall outside retail entirely:

Codes for Content Creators

There’s no single “influencer” code. The right pick depends on your main income stream.

For most independent content creators, the best fit is 711510, Independent Artists, Writers, and Performers. It covers freelance creators whose income comes from producing original content, whether that’s writing, video, or performing. If brand sponsorships, ad revenue, and creative work make up the bulk of your income, this code captures the activity.

Bloggers and online publishers who earn primarily through ads on their own websites have historically used 519130, Internet Publishing and Broadcasting and Web Search Portals.6U.S. Bureau of Labor Statistics. 519130 – Internet Publishing and Broadcasting and Web Search Portals The 2022 NAICS revision is splitting this into more specific categories, including 516210 for media streaming and social networks. Until the IRS adopts the new codes, check your form’s instructions for the version to use.

Someone selling pre-recorded courses on Udemy or Teachable usually looks more like a content creator or publisher than a tutor, so 711510 or a publishing code often fits better than 611691.

Choosing One Code When You Do Multiple Things

The IRS requires one code, even when your business has several revenue streams. The rule is straightforward: pick the code that matches whichever activity generated the most gross receipts during the tax year.

Gross receipts means total revenue before subtracting any expenses or cost of goods sold. If a web developer earned $80,000 from consulting and $25,000 from template sales, the code reflects consulting (541511), not electronic retail (454110). The calculation isn’t complicated, but you do need to track revenue by activity to get it right.

Review this every year. Businesses evolve, and the activity bringing in the most revenue can shift. A company that started as a consulting practice but now earns most of its money from software subscriptions needs to update its code. There’s no penalty for changing codes from one year to the next when your revenue mix genuinely changes. Failing to update is the more common mistake, because it puts your return in the wrong comparison pool.

Where the Code Goes on Your Tax Return

Enter the six-digit code as a plain number with no dashes or punctuation. The location depends on the form.

  • Sole proprietors and single-member LLCs: Schedule C (Form 1040), Line B. The IRS instructions say to enter the six-digit code from the Principal Business or Professional Activity Codes chart at the end of those instructions.7Internal Revenue Service. Instructions for Schedule C (Form 1040)
  • Partnerships and multi-member LLCs: Form 1065, Item C on the first page.8Internal Revenue Service. Form 1065 – U.S. Return of Partnership Income
  • C corporations: Form 1120, Schedule K, line 2a. This sits inside the form, not on the front page.9Internal Revenue Service. Instructions for Form 1120
  • S corporations: Form 1120-S, Item D on the first page.

Leaving the code blank can trigger a processing delay or a notice requesting more information. It won’t produce a penalty on its own, but it’s an easy field to overlook on a first filing.

Why the Code Matters

The activity code doesn’t change your tax liability. You won’t owe more or less based on which one you pick. What it changes is the statistical lens the IRS uses when reviewing your return.

The agency compares your profit margin, expense ratios, and deduction patterns against other businesses sharing your code. A lean online retail operation accidentally coded as management consulting will show an expense profile that looks unusual next to actual consulting firms, which can draw a closer look. A consultant coded as an electronic retailer may report cost of goods sold that looks abnormal for a service business. Picking the code that matches what you actually do means your return gets measured against the right yardstick.