If the Humboldt Bay Nuclear Generating Station is not in operation on the effective date of this section, the local emergency plan for it shall not be required to meet the revised emergency response plan requirements of Section 8610.5 of the Government Code until the Nuclear Regulatory Commission determines that the powerplant meets Nuclear Regulatory Commission seismic safety criteria, or until the Nuclear Regulatory

Commission issues an order rescinding the restrictions imposed on the Humboldt Bay Nuclear Generating Station in its order of May 21, 1976.

In the event that the Nuclear Regulatory Commission determines that the Humboldt Bay Nuclear Generating Station meets Nuclear Regulatory Commission seismic safety standards, or issues an order rescinding the restrictions in its order of May 21, 1976, a draft county emergency plan meeting the requirements of Section 8610.5 of the Government Code shall be submitted to the Office of Emergency Services for review within 180 days of the determination or rescission. Within 90 days after submission of the draft county emergency plan, approval of a final plan shall be completed by the Office of Emergency Services.