Cal. Gov. Code § 51110.2

The county or city planning commission shall hold a public hearing on parcels referred to it for review by the board or council pursuant to subdivision (d) of Section 51110 and subdivision (c) of Section 51110.1 according to Section 65854, and shall render its decision in the form of a written recommendation to the board or council according to Section 65855. The planning commission shall include in its recommendation to the board or council considerations as to the exact zoning boundaries to be drawn within each assessors parcel contained in list A or list B.