Cal. Food & Agric. Code § 15204.5

(a) It is unlawful for any licensed Branch 1 Structural Pest Controller licensee, including structural pest control operators, field representatives, applicators, and Structural Pest Control Board (SPCB) registered companies, as defined in Section 8506.1 of the Business and Professions Code, to conduct fumigations in any county unless that person or company has also registered for the current calendar year with the commissioner in that county. The registration fee for the SPCB registered company including structural pest control operators and field representatives and applicators shall be set by the county Board of Supervisors, but shall not exceed the cost of processing the registration or twenty-five dollars ($25), whichever is less. Payment of the fee shall be due at registration or on a date set by the commissioner. Structural pest control operators and field representatives may be added during the year, but the fee shall not exceed the actual cost of processing the registration or ten dollars ($10), whichever is less.
(b) Each registration shall be in the form prescribed by the director after consulting with the SPCB and the commissioners and shall include the name and address of the SPCB registered company or structural pest control operator and all satellite offices conducting business in the county, the name of the qualifying manager or the structural pest control operator and his or her license number, and a business telephone number. The registration form for field representatives and applicators shall include their name, license number, business address, and telephone number, and may be included with the business registration.
(c) Each licensed structural pest controller, including structural pest control operators, field representatives, applicators, or an SPCB registered company, that intends to conduct fumigation operations is required to appear in person at the office of the commissioner to complete the registration required by Section 15204.
(d) Each SPCB registered company or structural pest control operator that intends to conduct fumigation operations shall notify the agricultural commissioner at least 24 hours prior to commencing fumigation, or as approved on a case-by-case basis by the commissioner. This notice shall include all of the following:
1. (1) Name and address of the registered company or structural pest control operator.
2. (2) Address of the area or areas to be fumigated.
3. (3) The pesticide to be applied.
4. (4) The date of the intended application.
(e) The commissioner may levy a civil penalty against any person who violates the provisions of this section in accordance with the procedures provided in Section 12999.5.