Every insulation manufacturer who sells insulation material in California shall hold an insulation manufacturing license issued by the bureau. Manufacturers having more than one manufacturing plant shall hold a single license for all plants under the same ownership producing the same generic type of insulation. The total annual license fee for any insulation manufacturer shall not exceed eight thousand dollars ($8,000).
Source:
Section 19059.7, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=BPC§ionNum=19059.7..