(

a) On or before July 1, 1992, each city shall prepare, adopt, and, excepting a city and county, submit to the county in which the city is located a source reduction and recycling element which includes all of the components specified in this

chapter and which complies with the requirements specified in

Chapter 6 (commencing with

Section 41780). (

b) Notwithstanding subdivision (a), if a city 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 city shall do all of the following:

(1) On or before July 1, 1992, the city 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 city will comply with the deadline established under subdivision (

a) and complete and certify the environmental impact report for the element.

(2) On or before July 1, 1992, the city shall submit its draft source reduction and recycling element and a copy of the resolution adopted pursuant to paragraph (1) to the county within which the city is located.

(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 city shall submit its final source reduction and recycling element to the county.