(a) If any city or county has less than eight years of remaining disposal site capacity, the countywide integrated waste management plan shall be submitted to the board within 12 months after the Office of Administrative Law formally approves regulations for the preparation of countywide siting elements and countywide integrated waste management plans pursuant to Section 11349.3 of the Government Code.
(b) If any city or county has eight or more years of remaining disposal site capacity, the countywide integrated waste management plan shall be submitted to the board within 18 months after the Office of Administrative Law formally approves regulations for the preparation of countywide siting elements and countywide integrated waste management plans pursuant to Section 11349.3 of the Government Code.
(c) A regional agency integrated waste management plan shall be submitted to the board within 18 months after the Office of Administrative Law formally approves regulations for the preparation of countywide siting elements and countywide integrated waste management plans pursuant to Section 11349.3 of the Government Code.