1) An employer may not require or permit an employee –
a) to work overtime except in accordance with an agreement concluded by the employer and the employee;
b) to work more than 10 hours’ overtime a week; or
c) to work more than 12 hours, including overtime, on any day.
2) A written agreement –
a) may increase the maximum permitted overtime to 15 hours a week; and
b) an agreement contemplated in paragraph (a) may not apply for more than two months in any period of 12 months.