PUC §776.5: (a) In preparation for receiving notifications regarding the deenergization of electrical lines pursuant to Section 8386 or 8387, a facilities-based mobile telephony services provider shall do all of

(a) In preparation for receiving notifications regarding the deenergization of electrical lines pursuant to Section 8386 or 8387, a facilities-based mobile telephony services provider shall do all of the following: (1) Designate contact points or persons within the company to receive notifications from an electrical corporation, local publicly owned electric utility, or electrical cooperative, as defined in Section 2776, for expected deenergization events and outages. (2) Develop uniform protocols prior to a deenergization event to respond appropriately to an outage. (b) Upon receipt of a notification regarding the deenergization of electrical lines pursuant to Section 8386 or 8387, a facilities-based mobile telephony services provider shall communicate relevant situational information relative to communications capabilities during the projected outage to electrical corporations, local publicly owned electric utilities, electrical cooperatives, and appropriate public safety stakeholders, including, but not limited to, public safety offices and emergency response offices, for the affected area.