(

a) The guidelines prepared and adopted pursuant to

Section shall provide that, when an environmental impact statement has been, or will be, prepared for the same project pursuant to the requirements of the National Environmental Policy Act of 1969 (42 U.S.C.

Sec. 4321 et seq.) and implementing regulations, or an environmental impact report has been, or will be, prepared for the same project pursuant to the requirements of the Tahoe Regional Planning Compact (Section of the Government Code) and implementing regulations, all or any part of that statement or report may be submitted in lieu of all or any part of an environmental impact report required by this division, if that statement or report, or the part which is used, complies with the requirements of this division and the guidelines adopted pursuant thereto. (

b) Notwithstanding subdivision (a), compliance with this division may be achieved for the adoption in a city or county general plan, without any additions or change, of all or any part of the regional plan prepared pursuant to the Tahoe Regional Planning Compact and implementing regulations by reviewing environmental documents prepared by the Tahoe Regional Planning Agency addressing the plan, providing an analysis pursuant to this division of any significant effect on the environment not addressed in the environmental documents, and proceeding in accordance with

Section 21081. This subdivision does not exempt a city or county from complying with the public review and notice requirements of this division.