75Extending period of unpaid parental leave—extending to use more of available parental leave period

75  Extending period of unpaid parental leave—extending to use more of available parental leave period  (a) an employee has, in accordance with section 74, given notice of the taking of a period of unpaid parental leave (the original leave period) under section 71; and  (b) the original leave period is less than the employee’s available parental leave period; and  (c) the original leave period has started.  (2) The employee’s available parental leave period is 12 months, less any periods of the following kinds:  (b) a period of unpaid parental leave that the employee has been required to take under subsection 73(2) or 82(2);  (d) if the employee has given notice in accordance with subsection 74(2) or (2A) of the taking of flexible unpaid parental leave—a period equal to the employee’s notional flexible period. First extension by giving notice to employer  (3) The employee may extend the period of unpaid parental leave taken under section 71 by giving the employee’s employer written notice of the extension at least 4 weeks before the end date of the original leave period. The notice must specify the new end date for the leave.  (4) Only one extension is permitted under subsection (3). Further extensions by agreement with employer  (5) If the employer agrees, the employee may further extend the period of unpaid parental leave one or more times. No entitlement to extension beyond available parental leave period  (6) The employee is not entitled under this section to extend the period of unpaid parental leave beyond the employee’s available parental leave period.