(a) the agent exhibits a photo-identification badge and a written authority signed by the president or vice-president and secretary or assistant secretary of the corporation, or by the mayor or clerk of a municipal corporation or by the chairman and secretary of a municipal board in control of a municipal utility, and
(b) any such inspection and examination shall be conducted on a non-holiday work day between eight a.m. and six p.m. or such other reasonable time requested by the customer, except when an emergency may threaten the health or safety of a person, the surrounding area or the utility's or municipality's distribution system, or except when the commission by regulation establishes a different time for the inspection and examination where there is evidence of meter tampering or theft of services. 2. Except when an emergency may threaten the health or safety of a person, the surrounding area or the utility's or municipality's distribution system or where authorized by court order, an agent of a utility or municipality, otherwise duly authorized to inspect and examine apparatus may not enter locked premises without permission of a person lawfully in control of the premises, nor use any manner of force to carry out such inspection and examination.