California Public Resources Code Section 21084

(a) The guidelines prepared and adopted pursuant to Section 21083 shall include a list of classes of projects which have been determined not to have a significant effect on the environment and which shall be exempt from this division. In adopting the guidelines, the Secretary of the Resources Agency shall make a finding that the listed classes of projects referred to in this section do not have a significant effect on the environment. (b) No project which may result in damage to scenic resources, including, but not limited to, trees, historic buildings, rock outcroppings, or similar resources, within a highway designated as an official state scenic highway, pursuant to Article 2.5 (commencing with Section 260) of Chapter 2 of Division 1 of the Streets and Highways Code, shall be exempted from this division pursuant to subdivision (a). This subdivision does not apply to improvements as mitigation for a project for which a negative declaration has been approved or an environmental impact report has been certified. (c) No project located on a site which is included on any list compiled pursuant to Section 65962.5 of the Government Code shall be exempted from this division pursuant to subdivision (a). (d) The changes made to this section by Chapter 1212 of the Statutes of 1991 apply only to projects for which applications have not been deemed complete on or before January 1, 1992, pursuant to Section 65943 of the Government Code. (e) No project that may cause a substantial adverse change in the significance of an historical resource, as specified in Section 21084.1, shall be exempted from this division pursuant to subdivision (a).