California Board of Equalization (BOE) – California Sales Taxes

What is the California State Board of Equalization (BOE)? The State Board of Equalization is a public agency charged with tax administration and fee collection in California. The authorities of the Board fall into four areas: sales and use taxes, property taxes, special taxes, and acting as an appellate body for franchise and income tax appeals.

Many California business owners are surprised to learn how easily a routine filing discrepancy can escalate into a full BOE audit. Common triggers include inconsistent reporting between sales tax returns and income tax filings, missing resale certificates, frequent late payments, industry-specific red flags (such as cash-intensive businesses like restaurants, retail, and auto sales), and significant year-over-year fluctuations in reported revenue. Once an audit is initiated, the BOE may request detailed financial records, point-of-sale data, vendor invoices, and bank statements covering multiple tax periods.

If the audit reveals unreported or underreported sales tax, the business may face substantial assessments, interest, and penalties, sometimes leading to liens or levies if the debt goes unresolved. Acting quickly is critical, since deadlines to respond to or appeal an audit determination are strict and missing them can limit your options.

At Montgomery & Wetenkamp, our attorneys help business owners respond to audit notices, gather and present supporting documentation, negotiate with BOE representatives, and pursue appeals when assessments appear inaccurate or excessive. Whether you’re facing an initial inquiry or an existing tax debt, we work to protect your business and minimize financial exposure.

California businesses may often find themselves in financial trouble with California’s Board of Equalization (BOE) for sales and use tax debts. Our experienced tax attorneys at Montgomery & Wetenkamp Attorneys are here to help. Contact us today for a free consultation. We treat each case uniquely, paying close attention to specific details pertaining to your case.