Unsure where you owe sales or use tax

Run Your Nexus Risk Check

California Sales Tax Audit Risk

If your business has California nexus but did not register or collect sales tax, you may face audit risk from the California Department of Tax and Fee Administration.

Audit risk increases when:

Identifying nexus exposure early reduces the risk of formal enforcement.

Run Your Nexus Risk Check

What Triggers a California Sales Tax Audit

Common CDTFA audit triggers include:

Businesses that exceed nexus thresholds but fail to register are often flagged.

California Economic Nexus Threshold Explained | Marketplace Facilitator Rules California

How the CDTFA Identifies Exposure

The CDTFA uses multiple data sources to identify potential sales tax exposure:

If your revenue suggests nexus but no permit exists, audit probability increases.

California Back Sales Tax Liability

Not Sure If This Applies to You

Before registering or filing, confirm whether your business has created sales tax nexus in California or Texas.

Run Your Nexus Risk Check

What Happens During a California Audit

An audit may involve:

If nexus existed for multiple years, total liability may increase significantly.

Sales Tax Penalties and Interest California

How to Reduce California Audit Risk

Businesses can reduce exposure by:

Acting before receiving contact generally provides more options.

California Voluntary Disclosure Agreement

California Sales Tax Audit FAQ

California may review prior years where nexus existed and returns were not filed.

Exceeding economic nexus thresholds without registration significantly increases risk.

In certain cases, voluntary compliance efforts may reduce penalties.

Concerned About a California Sales Tax Audit

If your business may have created nexus in California, determining your exposure before receiving an audit notice is critical.

Run Your Nexus Risk Check

Identify potential audit exposure and next steps before enforcement begins.

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