Note: Authority cited: Section 8585, Government Code; and Sections 25531 and 25534.05, Health and Safety Code. Reference: Section 8585, Government Code; and Section 25404.3, Health and Safety Code.

1. New section filed 7-10-97 as an emergency; operative 7-10-97 (Register 97, No. 28). A Certificate of Compliance must be transmitted to OAL by 11-7-97 or emergency language will be repealed by operation of law on the following day.

2. New section refiled 10-31-97 as an emergency; operative 11-7-97 (Register 97, No. 44). A Certificate of Compliance must be transmitted to OAL by 3-9-98 or emergency language will be repealed by operation of law on the following day.

3. New section refiled 3-9-98 as an emergency; operative 3-9-98 (Register 98, No. 11). A Certificate of Compliance must be transmitted to OAL by 7-7-98 or emergency language will be repealed by operation of law on the following day.

4. New section refiled 7-7-98 as an emergency; operative 7-7-98 (Register 98, No. 28). A Certificate of Compliance must be transmitted to OAL by 11-4-98 or emergency language will be repealed by operation of law on the following day.

5. Certificate of Compliance as to 7-7-98 order, including repealer and new section, transmitted to OAL 10-7-98 and filed 11-16-98 (Register 98, No. 47).

6. Change without regulatory effect amending section and Note filed 5-12-2010 pursuant to section 100, title 1, California Code of Regulations (Register 2010, No. 20).

7. Amendment filed 10-8-2014; operative 1-1-2015 (Register 2014, No. 41).

8. Change without regulatory effect renumbering section 2780.4 to new section 5150.4 filed 3-6-2024 (Register 2024, No. 10).