Cal. Code Regs. tit. 23, § 728
1. Amendment filed 12-1-55; effective thirtieth day thereafter (Register 55, No. 17).
2. Amendment filed 3-10-60; effective thirtieth day thereafter (Register 60, No. 5).
3. Renumbering and amendment of Section 728 to Section 755 filed 1-16-87; effective thirtieth day thereafter (Register 87, No. 10).