Cal. Code Regs. tit. 5, § 20580
1. Amendment and renumbering of Section 20531 filed 8-28-70; effective thirtieth day thereafter (Register 70, No. 35). For prior history, see Register 60, No. 13.
2. Amendment filed 10-15-76; effective thirtieth day thereafter (Register 76, No. 42).
3. Amendment filed 5-6-77; effective thirtieth day thereafter (Register 77, No. 19).
4. Change without regulatory effect repealing section filed 10-24-2000 pursuant to section 100, title 1, California Code of Regulations (Register 2000, No. 43).