CA Pub Util Code Section 2892.3

(a)

The commission shall require providers of mobile telephony service, as defined in Section 224.4, to report to the commission, as specified by the commission, on activities associated with customer fraud.

(b)

Each report shall include a description of the types of fraud occurring, the amount of revenues that have been uncollectible because of fraud, and the actions undertaken by the mobile telephony service provider to combat fraud.

(c)

The commission shall require mobile telephony service providers to provide their subscribers with a notice, to be reviewed by the commission, warning subscribers about problems associated with fraud, and informing them about ways to protect against fraud.