16.—(1) An employee may give a combined total of up to three notices under regulations 12 and 15.
(2) Any notice which is—
(a)withdrawn under regulation 14(6),
(b)given under regulation 15 as a result of C being born earlier or later than the expected week of birth, or
(c)given under regulation 15 in response to a request from the employer that the employee vary a period of leave,
is to be disregarded for the purposes of paragraph (1).
(3) Where an employee has more than one employer, the limit in paragraph (1) applies in respect of each employer.
(4) The limit in paragraph (1) may be waived by agreement between the employee and the employer.