When a decision, determination, or other action by the agency or legislative body is required by this part, neither the agency nor the legislative body shall delegate the obligation to decide, determine, or act to another entity unless a provision of this part specifically provides for that delegation.
Source:
Section 33121.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=33121.5..