For regulation 22 (overtime) substitute—
(22)
(1) This regulation applies to a constable of a police force to whom regulation 21 applies.
(2) A constable who has been on duty for more than 40 hours in any period of 7 days beginning with such day as is fixed for the purposes of this regulation by the chief constable (a “relevant week”) is entitled in respect of any day during that period in which he has been on duty for more than 8 hours (a “long-duty day”) to an allowance at the rate of one twelfth of an hour’s pay for each completed 15 minutes in excess of 8 hours, except that on each of the first 4 occasions on which overtime which the constable was not told at the beginning of the shift would be required is worked during a relevant week 30 minutes of the overtime worked is to be disregarded.
(3) A constable may, before the end of a pay period (that is to say, a period comprising one of the intervals between payments under regulation 39), elect to be granted time off, instead of an allowance under paragraph (2), in respect of any long-duty day that occurred during a relevant week ending within the pay period.
(4) Subject to the exigencies of duty, where a constable has elected as mentioned in paragraph (3) the chief constable shall, within 3 months after the end of the relevant week, grant him time off equal to the total of—
(a) the time in excess of 8 hours spent on duty in the day, or as the case may be in each of the days, in respect of which the election was made, and
(b) 15 minutes in respect of each completed 45 minutes of that time.
(5) Any time counting for the purpose of regulation 30(1) (rate of pay) as time spent on duty, except—
(a) time for which an allowance is received under paragraph (7) or under regulation 23 or 63, and
(b) any period of less than 30 minutes worked during the first 30 minutes after the end of a rostered shift, except a period of 15 minutes which the constable was told at the beginning of the shift would be required,
counts as time spent on duty for the purposes of paragraph (2).
(6) For the purposes of paragraph (2) a period of duty—
(a) which resulted from a constable’s being recalled and returning to duty between two rostered shifts, and
(b) the length of which, after deducting any travelling time counting as a period of duty by virtue of regulation 24, was less than 4 hours,
counts as a period of duty lasting for the aggregate of 4 hours and any period counting by virtue of regulation 24.
(7) Where the time at which a constable is required to commence a rostered shift is brought forward—
(a) without giving him notice 8 hours or more before the new commencement time, and
(b) so that he is required to commence that shift on the day on which his previous shift ended,
he is entitled to an allowance at the rate of one twelfth of an hour’s pay for each completed 15 minutes of the time for which he is on duty before the rostered commencement time.
(8) A constable who has become entitled to an allowance under paragraph (7) may, before the end of the pay period during which the day on which he was required to commence the shift occurred, elect to be granted time off instead of the allowance.
(9) Subject to the exigencies of duty, where a constable has elected as mentioned in paragraph (8) the chief constable shall, within 3 months after the day of the election, grant him time off equal to one and one third times the number of completed quarters of an hour for which he was on duty before the rostered commencement time.
(10) Where—
(a) on any day on which he has a rostered shift a constable has been on duty for a period exceeding the length of that shift, and
(b) he is not entitled in respect of that day to any allowance under paragraph (2) or (7),
he may, not later than 4 days after the end of the relevant week in which the day in question occurred, elect to be granted time off in respect of the excess over the length of the shift (“the excess period”).
(11) For the purposes of paragraphs (2) and (10) a continuous period of duty which began before and ended after the beginning of a day shall—
(a) if the day on which it ended was not—
(i) a public holiday,
(ii) a rostered rest day, or
(iii) a free day,
in respect of which he became entitled to an allowance under regulation 23, be treated as having fallen wholly within, and
(b) in any other case, be treated as having consisted only of so much of the period as fell within,
the day on which the period began.
(12) Subject to the exigencies of duty, where a constable has elected as mentioned in paragraph (10) the chief constable shall, within 3 months after the date of the election, grant him time off equal to the excess period.
(13) For the purposes of regulation 30(1) (rate of pay) any extra period of duty in respect of which time off is granted under paragraph (4) or (9) counts as one and one third times the number of completed quarters of an hour comprised in the extra period of duty, and a period falling within paragraph (6)(a) and (b) counts as one of 4 hours.