40-360.29. Charters and ordinances of governments not affected; preemption A. Except as provided in subsection B, the provisions of this article shall be cumulative and supplemental to other provisions of law or charter and shall not be construed to prohibit cities and towns from enacting ordinances regulating excavations. B. The legislature finds that notification, location, marking, installation records, enforcement and remedies relating to underground facilities pursuant to sections 40-360.22, 40-360.24, 40-360.25, 40-360.26, 40-360.28 and 40-360.30, are a matter of statewide concern and are hereby preempted by this state.
Arizona Legal Code