California Code, Public Utilities Code - PUC § 5432

(a) A transportation network company shall disclose in writing to participating drivers, as part of its agreement with those drivers, the insurance coverage and limits of liability that the transportation network company provides while the driver uses a vehicle in connection with a transportation network company's online-enabled application or platform, and shall advise a participating driver in writing that the driver's personal automobile insurance policy will not provide coverage because the driver uses a vehicle in connection with a transportation network company's online-enabled application or platform.

(b) A transportation network company shall also disclose in writing to participating drivers, as part of its agreement with those drivers, that the driver's personal automobile insurance policy will not provide collision or comprehensive coverage for damage to the vehicle used by the driver from the moment the driver logs on to the transportation network company's online-enabled application or platform to the moment the driver logs off the transportation network company's online-enabled application or platform.

(c) This section shall become operative on July 1, 2015.