Every law enforcement agency in this state shall develop, adopt, and implement written policies and standards for dispatchers’ response to domestic violence calls by July 1, 1991. These policies shall reflect that calls reporting threatened, imminent, or ongoing domestic violence, and the violation of any protection order, including orders issued pursuant to Section 136.2, and restraining orders, shall be ranked among the highest priority calls. Dispatchers are not required to verify the validity of the protective order before responding to the request for assistance.