The chief executive may, at any time, by notice in writing to any person installing, using, selling, distributing, or manufacturing interfering equipment or susceptible equipment, require that person to submit samples of the equipment, test reports, technical construction files, or other associated documentation to the chief executive for the purpose of demonstrating that—
(b) if no standard or code is prescribed, reasonable steps have been taken to ensure that the equipment is constructed and operated in a manner that minimises harmful interference that is generated by the equipment, or minimises the susceptibility of the equipment.