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How to Qualify for Sales and Use Tax Exemptions on High-Value Vehicle Purchases in California.

  • Writer: Marcella Diaz
    Marcella Diaz
  • Mar 12
  • 2 min read

Updated: Apr 8

Purchasing a high-value vehicle in California comes with important tax considerations, particularly the state's sales and use tax. However, certain exemptions—such as the Principal Use Test Exemption and the Interstate Commerce Exemption—can provide significant tax savings. This article explores these two key exemptions and how buyers can qualify for them.


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Understanding Sales and Use Tax in California


California imposes a use tax on vehicles purchased outside the state and brought into California for use. This tax is similar to sales tax and is assessed based on the purchase price of the vehicle. However, certain exemptions, such as the Principal Use Exemption and Interstate Commerce Exemption, may apply under specific conditions.


Principal Use Exemption

The Principal Use Exemption applies to vehicles that are primarily used outside of California for a qualifying period before being brought into the state. To qualify for this exemption, the following conditions must be met:

1. Out-of-State Usage Requirement

  • The vehicle must be used and stored outside of California for the first 12 months following its purchase.

  • Documentation such as fuel receipts, service records, and mileage logs can be used to establish principal use outside the state.


Contact us today to discuss your particular tax liability situation.


Interstate Commerce Exemption

The Interstate Commerce Exemption applies when a vehicle is used in interstate commerce and is not principally used within California. This exemption benefits businesses and individuals involved in cross-state vehicle operations.

1. Commercial Transport Requirement

  • The vehicle must be used in the transportation of goods or passengers across state lines.

  • Common carriers, trucking companies, and transportation service providers often qualify under this exemption.

2. Continuous Interstate Use

  • The vehicle should be engaged in consistent interstate activity, with documentation supporting its use outside of California.

  • Fuel logs, trip manifests, and delivery records can serve as supporting evidence.

3. Limited California Usage

  • Any use within California should be incidental and not constitute the vehicle's principal location or operation.

  • The burden of proof falls on the buyer to demonstrate that the vehicle qualifies for this exemption.


Planning Ahead for a Tax-Exempt Purchase

To ensure eligibility for these exemptions, buyers should:

  • Keep detailed records of out-of-state use, including travel logs, fuel receipts, and maintenance records.

  • Work with experienced tax professionals to verify compliance with California tax laws. Contact us today to schedule your free tax liability consultation.

  • Follow California DMV and tax authority guidelines to properly document the transaction.


Conclusion

The Principal Use Test Exemption and Interstate Commerce Exemption offer valuable tax-saving opportunities for high-value vehicle buyers. However, qualifying requires strategic planning and adherence to strict documentation requirements. Consulting with a California sales and use tax expert like us can help ensure compliance and maximize tax savings.


If you are considering purchasing a high-value vehicle and want to explore your exemption options, contact Aero & Marine Tax Professionals to help navigate the complexities and optimize your tax liability.

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