California Code, Health and Safety Code - HSC § 44106

The program shall include provisions for monitoring and preventing all forms of tampering or other forms of cheating, and shall effectively address “avoidance vehicles” such as nonregistered vehicles and vehicles lacking a sufficient inspection and maintenance history. If fraud is detected, the program shall include provisions for suspending all new transactions with the entity suspected of fraud until problems are corrected and revaluing all credits used to meet the emissions reduction requirements. Contracts with authorized entities shall include remedies in cases of fraud.