A TNC shall not disclose a rider’s personally identifiable information to a third party unless: (a) The rider consents or disclosure is required by a legal obligation; or (b) disclosure is required to protect or defend the terms of use of the service or to investigate violations of those terms. In addition to the foregoing, a TNC shall be permitted to share a rider’s name or telephone number with the driver providing prearranged rides to such rider in order to facilitate correct identification of the rider by the driver, or to facilitate communication between the rider and the driver.