What Happens If You Use the Wrong NAICS Code?

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Finding and Correcting NAICS Codes

  • How do I Find my NAICS number?

    • You can select the category that applies to your business and drill down to find the appropriate 6-digit code.
    • Use the Powerful Search Tool or SIC crosswalk search to convert SIC Codes to NAICS Codes.

  • How do I know what NAICS code to use?

    • Use the US Company Lookup Tool by NAICS.com or the NAICS SEARCH TOOLS to identify the code that best reflects your business activity.

  • Can a company have more than one NAICS code?

    • A business can have multiple NAICS codes if it sells multiple products and services.

Importance and Uses of NAICS Codes

  • Does it matter what NAICS code I use?

    • NAICS codes are used to classify businesses for statistical analysis and economic forecasting.

  • Using NAICS Codes

    • Fill your NAICS code when filing self-employment taxes.
    • Codes help compare performance, comply with regulations, forecast economics, qualify for contracts, and identify partners.

  • Classification and System

    • NAICS codes classify industries with a hierarchical numbering system, updated every five years.
    • Codes are used by institutions for lending risk assessment and industry categorization.

  • Summary

    • NAICS codes are reference numbers for business categorization by industry.

  • What if my NAICS code is wrong?

    • Inform organizations and update your NAICS code as needed.

  • Federal Contracts

    • A valid NAICS code is required for designation as a Woman-Owned Small Business.

  • Where can I find my NAICS code?

    • The NAICS code is on your insurance card from the National Association of Insurance Commissioners.

  • Overview

    • A NAICS Code classifies businesses within the North American Industry Classification System, replacing the SIC system in 1997.

  • Multiple NAICS Codes

    • Businesses can have both primary and secondary NAICS codes if they sell various products and services.

Resources and Corrections

  • Assistance and Corrections

    • Contact the Census Bureau if you need help determining the appropriate NAICS code for your business entity.

  • Corrections and Tools

    • Use tools like the Credit Sweep tool for correcting your business credit report and ensuring the correct NAICS code is listed.
    • Check the Tax Bulletin on NAICS Codes for more information.

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