California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 4 - Construction Safety Orders
Article 6 - Excavations
Section 1539 - Permits
For regulations relating to Permits for excavations and trenches, refer to the California Code of Regulations Title 8, Chapter 3.2, Article 2, Section 341 of the California Occupational Safety and Health Regulations (Cal/OSHA).
1. New section filed 6-21-72; effective thirtieth day thereafter (Register 72, No. 26).
2. Repealer and new section filed 8-1-74 as an emergency; effective upon filing (Register 74, No. 31).
3. Certificate of Compliance filed 11-22-74 (Register 74, No. 48).
4. Certificate of Compliance refiled 11-27-74 (Register 74, No. 48).
5. Repealer and new section filed 11-29-74; effective thirtieth day thereafter (Register 74, No. 48).
6. Amendment of article heading and section filed 8-26-91; operative 9-25-91 (Register 92, No. 13).
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.