(1)Â Â Â Â A night worker's normal hours of work in any reference period which is applicable in his case shall not exceed an average of eight hours for each 24 hours.
(2)Â Â Â Â An employer shall take all reasonable steps, in keeping with the need to protect the health and safety of workers, to ensure that the limit specified in paragraph (1) is complied with in the case of each night worker employed