California’s Civil Rights Department just closed the algorithm-did-it defense. In regulations that took effect in October, the CRD confirmed that any employer with five or more workers is fully liable under the Fair Employment and Housing Act when a computer-based test, a puzzle game, or an AI video interview tool makes or shapes a hiring call. Vendor contract or not, the employer eats the liability.

The timing traces straight back to the data. A Stanford-led study examined more than four million job applications across 150 employers screened by one leading third-party hiring platform and found racial disparities in its recommendations, with Black and Asian applicants disproportionately disadvantaged. Researchers estimate roughly 40,000 additional applications from qualified Black and Asian candidates would have advanced had the system recommended every racial group at equal rates.

Here’s what that actually costs you Monday morning. You now have to retain every ADS input, output, and training dataset for four years. That’s real cloud storage and a legal-hold process, not a checkbox in your ATS settings. You need an accommodation path for applicants whose disability tanks an automated test score. And you have to audit your vendor’s tool to confirm it never touches criminal history before a conditional offer goes out, because relying on it won’t shield you from a Fair Chance Act claim.

It’s about to get more expensive. AB 1018 would force mandatory bias testing and put AI vendors themselves on the hook for the first time, not just the employers buying their tools. Before your next HR software renewal, put an audit clause in the contract.

— Nathan Zakhary