(b) Notwithstanding subdivision (a), if a county determines that it is unable to comply with the deadline established under subdivision (a) and unable to comply with Division 13 (commencing with Section 21000), to the extent that division requires the preparation and certification of an environmental impact report for the element, the county shall do all of the following:

1. (1) On or before July 1, 1992, the county shall adopt a resolution stating the reasons it is unable to comply with the deadline established under subdivision (a) and to complete and certify the environmental impact report for the element. The resolution shall also state a date when the county will comply with the deadline established under subdivision (a) and complete and certify the environmental impact report for the element.
2. (2) On or before July 1, 1992, the county shall submit a copy of the resolution adopted pursuant to paragraph (1) to the board.
3. (3) Upon completion and certification of the environmental impact report for the source reduction and recycling element, or December 1, 1992, whichever is sooner, the county shall adopt its source reduction and recycling element.