(1) An employer,
(a) before employing a person as a night worker, and
(b) at regular intervals during the period that that person is employed as a night worker,
shall make available to that person, free of charge, an assessment by a registered medical practitioner, or a person under the practitioner's supervision, in relation to any adverse effects of that night work on the night worker's health.
(2) In discharging the duty under paragraph (1) the employer -
(a) may take into account any entitlement to an assessment referred to in that paragraph that is provided by the State, and
(b) shall facilitate the night worker's attendance at the assessment if so required.
(3) The person who performs an assessment referred to in paragraph (1) shall -
(a) endeavour to detect if the health of the employee concerned is being or will be adversely affected by the fact that the employee performs or will perform night work, and
(b) on the completion of the assessment, inform the employer and employee c
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