In regulation 14 of the General Regulations (normal weekly earnings of employed earners)–
(a) in paragraph (1)–
(i) after the words “Subject to” there shall be inserted the words “paragraph (1A) and”;
(ii) for sub-paragraph (a) there shall be substituted the following sub-paragraphs–
(a) if he is paid weekly–
(i) except where head (ii) applies, over a period of 5 consecutive weeks in the period of 6 weeks immediately preceding the week in which the date of claims falls; or
(ii) if, at the date of claim, there is a trade dispute or a period of short-time working at his place of employment, over a period immediately preceding the date of the start of that dispute or period of short-time working and being a period of 5 weeks;
(aa) if he is paid monthly–
(i) except where head (ii) applies, over a period of 2 months immediately preceding the week in which the date of claim falls; or
(ii) if, at the date of claim, there is a trade dispute or a period of short-time working at his place of employment, over a period immediately preceding the date of the start of that dispute or period of short-time working, and being a period of 2 months; or
(iii) in sub-paragraph (b), for the reference to “sub-paragraph (a)(i) or (ii)” there shall be substituted a reference to “sub-paragraph (a) or (aa)”;
(b) after paragraph (1) there shall be inserted the following paragraph–
(1A) Where a claimant’s earnings include a bonus or commission which is paid within 52 weeks preceding the week in which the date of claim falls, and the bonus or commission is paid separately or relates to a period longer than the period relating to the other earnings with which it is paid, his normal weekly earnings shall be treated as including an amount calculated in accordance with regulation 20A (calculation of bonus or commission).
(c) for paragraph (2) there shall be substituted the following paragraphs–
(2) Where–
(a) the claimant–
(i) has been in his employment, or
(ii) after a continuous period of interruption exceeding 13 weeks, has resumed his employment, or
(iii) has changed the number of hours for which he is contracted to work, and
(b) the period of his employment or the period since he resumed his employment or the period since the change in the number of hours took place, as the case may be, is less than the period specified in paragraph (1)(a) or (aa),
his normal weekly earnings shall be determined, if he has received any earnings for the period that he has been in that employment or for the period after his resumption or for the period after his change in hours, and those earnings are likely to represent his weekly earnings from that employment, by reference to those earnings and in any other case, in accordance with paragraph (2A).
(2A) In a case to which this paragraph applies, the Secretary of State shall require the claimant’s employer to furnish an estimate of the claimant’s likely earnings over a period of–
(a) 5 weeks, if he is paid weekly; or
(b) 2 months, if he is paid monthly; or
(c) whether or not sub-paragraph (a) or (b) applies, such other period as may, in any particular case, enable his normal weekly earnings to be determined more accurately,
and the claimant’s normal weekly earnings shall be determined by reference to that estimate.