California’s bill to authorize tax-based false claims actions—allowing private, profit-motivated parties to bring punitive civil enforcement lawsuits—cleared the Assembly Judiciary Committee on May 11 in a party-line vote. The bill, AB 2570, is sponsored by the committee’s chair, Assemblymember Mark Stone (D), and has strong backing from Attorney General Xavier Becerra. It now goes to the Assembly Appropriations Committee.

Proponents claim the bill only affects “tax cheats” but under similar laws in Illinois and New York, very few cases involve internal whistleblowers, actual fraud or reckless disregard of clear law. Instead, they typically involve inadvertent errors or good-faith interpretations of murky tax law. Moreover, while there often is an erroneous assumption that most tax false claims actions are brought by “by-the-books” whistleblowers acting in the interest of the taxing jurisdiction, claims in the tax realm are primarily developed and driven by a cottage industry of plaintiffs’ law firms with profit-motivated incentives seeking to exploit an area of the law that leans in their favor.

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