CA Health & Safety Code Section 33421.1

Without the prior consent of the legislative body, the agency may not use its authority under Section 33421 to develop a site for industrial or commercial use so as to provide streets, sidewalks, utilities, or other improvements which an owner or operator of the site would otherwise be obliged to provide. In giving consent, the legislative body shall make a finding that the provision of such improvements is necessary to effectuate the purposes of the redevelopment plan.