For the purposes of Part V of the 1986 Act, a woman's normal weekly earnings shall be calculated in accordance with the following provisions of this regulation.

In this regulation—

• “the appropriate date” means the first day of the 14th week before the expected week of confinement, or the first day in the week in which the woman is confined, whichever is the earlier, or in the case of a woman in respect of whom section 46(2) of the 1986 Act is modified in accordance with regulation 4(1), the first day of the week immediately following the last week in which she was employed under a contract of service by the employer who dismissed her;

• “normal pay day” means a day on which the terms of a woman's contract of service require her to be paid, or the practice in her employment is for her to be paid, if any payment is due to her; and

• “day of payment” means a day on which the woman was paid.

In a case where a woman has no identifiable normal pay day, paragraph (3) shall have effect as if the words “day of payment” were substituted for the words “normal pay day” in each place where they occur.

In a case where a woman has normal pay days at intervals of or approximating to one or more calendar months (including intervals of or approximating to a year) her normal weekly earnings shall be calculated by dividing her earnings in the relevant period by the number of calendar months in that period (or, if it is not a whole number, the nearest whole number), multiplying the result by 12 and dividing by 52.

In a case to which paragraph (5) does not apply and the relevant period is not an exact number of weeks, the woman's normal weekly earnings shall be calculated by dividing her earnings in the relevant period by the number of days in the relevant period and multiplying the result by 7.