An audit by the California Department of Tax and Fee Administration (CDTFA) can be very disruptive. It can seem to drain your resources and perhaps expose you to legal risk. The audit process is known to be aggressive and very unforgiving. Even honest errors could lead to steep penalties and back taxes. Having the right representation during this process can make a massive difference in what occurs.
At Weed Law Group, PC, our San Francisco Bay area tax attorneys are here to help. We help you plan ahead to avoid audit issues in the first place, and provide real-time representation during an audit to reduce risk. We’re here to help every step of the way.
Why CDTFA Audits Are Increasing
California has intensified sales tax enforcement in recent years. Several factors are driving more audits:
- Expanded data-matching between state and federal agencies
- Increased scrutiny of cash-heavy businesses
- Greater focus on e-commerce and marketplace sellers
- Use of third-party data to identify discrepancies
- Post-pandemic revenue recovery efforts
The CDTFA now uses automated tools to compare your reported sales against bank deposits, credit-card totals, 1099-K reports, supplier invoices, and industry benchmarks. If anything looks inconsistent, an audit may follow.
Common CDTFA Audit Triggers
While some audits are random, most begin because the CDTFA sees a red flag. Common triggers include:
- Large differences between sales tax returns and income tax returns
- High voids, discounts, or refunds
- Unusually low taxable sales compared to industry averages
- Cash register shortages or missing POS data
- Late or inconsistent filing history
- Supplier reports showing higher purchases than your reported sales
- Marketplace facilitator discrepancies (Amazon, Shopify, etc.)
Even a small inconsistency can lead to a full audit, especially if the CDTFA believes your business may be underreporting taxable sales.
How CDTFA Sales Tax Audits Work
A CDTFA audit typically follows a predictable structure, though the agency’s methods can vary depending on your industry and recordkeeping. Here’s what businesses should expect:
1. Initial Notice and Document Request
The CDTFA will send a notice of audit along with a request for records. These often include:
- Sales journals and POS reports
- Bank statements and merchant-processing records
- Purchase invoices and vendor statements
- Cash register tapes
- Resale certificates
- General ledgers and tax returns
The agency may request three years of records, and sometimes more.
2. Detailed Examination of Sales
Auditors compare your reported taxable sales to other financial data. If records are incomplete, the CDTFA may use indirect methods such as:
- Markup analysis
- Bank deposit analysis
- Observation tests
- Ratio studies
- Industry benchmarks
These methods often inflate estimated sales, leading to large assessments unless challenged.
3. Review of Exempt Sales
If your business claims exempt sales, such as sales for resale, out-of-state shipments, or nontaxable labor, the CDTFA will require documentation. Missing or incomplete resale certificates are a common source of liability.
4. Audit Findings and Proposed Assessment
After reviewing your records, the auditor issues a proposed determination. This may include:
- Additional tax owed
- Interest
- Penalties for negligence or intent
- Adjustments to future reporting
Businesses have the right to dispute the findings through appeals, settlement conferences, or administrative hearings.
How California Businesses Can Defend Against a CDTFA Audit
Effective audit defense requires preparation, documentation, and a clear understanding of CDTFA procedures. Key strategies include:
- Ensuring all sales records match bank deposits and POS totals
- Reconciling taxable vs. nontaxable sales before the audit begins
- Reviewing resale certificates for completeness and validity
- Identifying discrepancies in advance and preparing explanations
- Challenging flawed CDTFA estimation methods
- Requesting audit-methodology changes when appropriate
- Documenting industry-specific practices that affect sales patterns
Businesses that proactively organize records and address inconsistencies typically achieve better outcomes.
When to Seek Professional Help
CDTFA audits can escalate quickly, especially if the auditor believes your records are incomplete or inaccurate. Many businesses choose to work with tax lawyers who understand CDTFA procedures, audit methodologies, and negotiation strategies.
Legal representation can help reduce assessments, eliminate penalties, and prevent the CDTFA from applying unfair estimation techniques.
Get Help From a Skilled Tax Audit Defense Attorney Today
Working with an experienced team of California tax attorneys is critical for any business. Surviving a CDTFA audit requires great attention to detail, legal knowledge, and risk mitigation strategies.
Our team at Weed Law Group, PC are ready to help with your needs. Contact us today for a consultation.