Section 110(3) in The Coal Mines Regulations, 2017
(3)The codes of practices, inter alia, shall provide for-(a)safe operating procedures for the machinery or operation to which it relates to;(b)examination and testing of the machinery before first use after erection, installation, reinstallation, modification, alteration, maintenance or repair;(c)schedule and nature of examination and testing of the machine, including its sub-assemblies, so as to ensure its safe operation;(d)the manner in which the records of examination shall be kept.
