(1) The annual vacation leave shall be given by the employer and taken by the employee in one period, or separate periods, as agreed to between the employer and the employee.
(2) If the employer and employee so agree, the vacation leave may be taken wholly or partly in advance before the employee has become entitled to such vacation.
(3) The vacation leave shall be given by the employer and shall be taken by the employee before the expiration of 6 months after the date upon which the right to such vacation accrues except where, by agreement between the employer and employee, such vacation is postponed.
(4) The employer shall determine the date on which the vacation shall commence and shall give to the employee not less than 7 days' notice of such date.
(5) Where the vacation leave or any part has been taken before the right to such vacation has accrued, the right to a further vacation leave shall not begin to accrue until after the expiration of the period of the year of employment in respect of which the vacation leave or part has been so taken.