3(1) If any part of earnings paid to or for the benefit of an earner is normally paid, or is treated under regulation 7 as paid, at regular intervals, the earnings period in respect of those earnings shall be the period found in accordance with the following Table, subject to paragraphs (2) to (6).
Applicable earnings period
Earnings paid at an interval of 7 days or more.
The length of the interval.
Earnings paid at intervals of different lengths, each of which is 7 days or more.
The length of the shorter or shortest of those intervals.
Earnings paid at one or more intervals of less than 7 days.
Earnings paid at one or more intervals of less than 7 days and at one or more intervals of more than 7 days.
3(2) In any year, the earnings period for the earnings mentioned in paragraph (1) shall only be that found by the Table in that paragraph if the period in which the earnings are paid is one of a succession of periods and–