### sec.27 Modification of electrical control systems A coal mine’s safety and health management system must— provide for the security and maintenance of the mine’s electrical control system software and control circuits; and control modification of the software and circuits; and provide for records to be kept of any modifications. - (a) provide for the security and maintenance of the mine’s electrical control system software and control circuits; and - (b) control modification of the software and circuits; and - (c) provide for records to be kept of any modifications.

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Section sec.27 - Coal Mining Safety and Health Regulation 2017 - Modification of electrical control systems — Zoe