(1) For the purpose of determining under this Act whether an employee is being paid not less than the minimum hourly rate of pay to which he or she is entitled in accordance with this Act, but subject to section 9, "working hours", in relation to an employee in a pay reference period, means -
(a) the hours (including a part of an hour) of work of the employee as determined in accordance with -
(i) his or her contract of employment,
(ii) any collective agreement that relates to the employee,
(iii) any Registered Employment Agreement that relates to the employee,
(iv) any Employment Regulation Order that relates to the employee,
(v) any statement provided by the employee's employer to the employee in accordance with section 3(1) of the Terms of Employment (Information) Act, 1994,
(vi) any notification by the employee's employer to the employee under section 17 of the Organisation of Working Time Act, 1997,
(vii) section 18 of the Organisation of Working Time Act, 1997, or
(viii) any othe
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