Part II Maternity Leave

Entitlement to ordinary maternity leave
4. (1) An employee is entitled to ordinary maternity leave provided that she satisfies the following conditions—
(a) at least 21 days before the date on which she intends her ordinary maternity leave period to start, or, if that is not reasonably practicable, as soon as is reasonably practicable, she notifies her employer of—
(i) her pregnancy;
(ii) the expected week of childbirth, and
(iii) the date on which she intends her ordinary maternity leave period to start, and
(b) if requested to do so by her employer, she produces for his inspection a certificate from—
(i) a registered medical practitioner, or
(ii) a registered midwife,
stating the expected week of childbirth.
(2) The notification provided for in paragraph (1)(a)(iii)—
(a) shall be given in writing, if the employer so requests, and
(b) shall not specify a date earlier than the beginning of the eleventh week before the expected week of childbirth.
(3) Where, by virtue of regulation 6(1)(b), an employee’s ordinary maternity leave period commences with the first day after the beginning of the sixth week before the expected week of childbirth on which she is absent from work wholly or partly because of pregnancy—
(a) paragraph (1) does not require her to notify her employer of the date specified in that paragraph, but
(b) (whether or not she has notified him of that date) she is not entitled to ordinary maternity leave unless she notifies him as soon as is reasonably practicable that she is absent from work wholly or partly because of pregnancy.
(4) Where, by virtue of regulation 5(2), an employee’s ordinary maternity leave period commences with the day on which childbirth occurs—
(a) paragraph (1) does not require her to notify her employer of the date specified in that paragraph, but
(b) (whether or not she has notified him of that date) she is not entitled to ordinary maternity leave unless she notifies him as soon as is reasonably practicable after the date that she has given birth.
(5) The notification provided for in paragraphs (3)(b) and (4)(b) shall be given in writing, if the employer so requests.