Cal. Gov. Code § 66474.01

Notwithstanding subdivision (e) of Section 66474, a local government may approve a tentative map, or a parcel map for which a tentative map was not required, if an environmental impact report was prepared with respect to the project and a finding was made pursuant to paragraph (3) of subdivision (a) of Section 21081 of the Public Resources Code that specific economic, social, or other considerations make infeasible the mitigation measures or project alternatives identified in the environmental impact report.