The assessment period should be either
1) when the applicant receives payment weekly, the five
consecutive weeks
2) when the applicant receives payment monthly, the two months
immediately before the week of application
3) any period selected by the decision maker, before the week
of application but not necessarily immediately before that week,
when
When using 3.2 or 3.3 the decision maker has to be satisfied that the period selected would produce a more accurate figure of normal weekly earnings at the date of application than 1. or 2. would allow.