California Code
ARTICLE 2 - Structural and Material Requirements of Community Mausoleums and Columbariums
Section 9643.

9643. All interior and exterior fastenings for hangers, clips, doors, and other objects shall be of copper base alloy, aluminum, copper or stainless steel of adequate gauges and shall be installed to meet or exceed the seismic requirements of the Uniform Building Code.

(Amended by Stats. 1993, Ch. 350, Sec. 21. Effective January 1, 1994.)