Cal. Health and Safety Code § 33457

After the amendment of a redevelopment plan to add the provision permitted by Section 33670, or to increase or reduce the size of the project area, the clerk of the community shall transmit a copy of the ordinance amending the plan, a description of the annexed or detached land within the project area and a map or plat indicating the amendments to the redevelopment plan, to the following parties: (1) The auditor and assessor of the county in which the project is located; (2) The officer or officers performing the functions of the auditor or assessor for any taxing agencies which, in levying or collecting taxes, do not use the county assessment roll or do not collect taxes through the county; (3) The governing body of each of the taxing agencies which levies taxes upon any property in the project area; and (4) The State Board of Equalization. Such documents shall be transmitted within 30 days following the adoption of the amended redevelopment plan. The legal effect of such transmittal shall be as set forth in Section 33674.