(1) Where an adopting parent commences employment within a period of 6 weeks before the day of placement he or she shall, as soon as is reasonably practicable but not later than the day on which he or she commences adoptive leave, cause his or her employer to be notified in writing of his or her intention to take adoptive leave, and where such notification is given, the provisions of section 7(1)(a), 7(2)(a) or 9(2)(a)(i), as the case may be, shall not apply in respect of that period of leave.