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Texas Sales Tax Audit Process

A Texas sales tax audit is conducted by the Texas Comptroller to verify whether a business properly reported and remitted sales and use tax.

An audit may include:

If discrepancies are identified, the Comptroller may assess additional tax, statutory interest, and penalties.

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What Triggers a Texas Sales Tax Audit

Common audit triggers include:

Texas uses marketplace reporting and data matching to identify potential exposure.

Texas Economic Nexus Threshold | What Triggers a Sales Tax Audit in Texas

How a Texas Audit Begins

A Texas sales tax audit typically begins with:

  • A formal audit notice
  • A written request for records
  • Direct contact from an assigned auditor

The notice will generally identify:

  • Audit period
  • Records requested
  • Scope of examination

Businesses are required to provide books and records relevant to tax reporting.

Records Commonly Reviewed During Audit

The Texas Comptroller may review:

Purchase invoices are frequently examined for unpaid use tax.

Texas Resale Certificate Requirements | Texas Use Tax for Businesses

Audit Adjustments and Assessments

If discrepancies are identified, the Comptroller may:

Audit assessments may significantly increase total liability.

Texas Sales Tax Penalties and Interest | Texas Back Sales Tax Liability

What If Nexus Was Not Properly Established

If the audit determines that nexus existed in prior periods and returns were not filed, the Comptroller may review multiple prior years.

Exposure may include:

Businesses that evaluate exposure before audit notice may have additional resolution options.

Texas Voluntary Disclosure Agreement

How to Prepare for a Texas Sales Tax Audit

Preparation may include:

Understanding potential exposure before responding to audit notice is critical.

Texas Sales Tax Audit FAQ

If required returns were not filed, Texas may review multiple prior periods.

Penalty relief may be available depending on compliance history and circumstances.

Invalid documentation may result in tax assessments, interest, and penalties.

Received a Texas Sales Tax Audit Notice

If your business has been contacted by the Comptroller or believes nexus may exist, evaluate exposure before responding.

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