SECTION 1.
(a) The categorical exemption specified in Section 15332 of Title 14 of the California Code of Regulations shall also apply to a proposed residential or mixed-use housing project occurring in an unincorporated area of a county, on a project site of no more than five acres substantially surrounded by urban uses, if all other conditions of that section are satisfied.(b) Pursuant to Section 21083, the Office of Planning and Research shall recommend proposed amendments to Section 15332 of Title 14 of the California Code of Regulations to implement subdivision (a), including any other necessary conforming changes, which shall be certified and adopted by the Secretary of the Natural Resources Agency on or before January 1, 2019.