Paragraph 9 I1 England and Wales PEIbase (that is, the Population Exposure Indicator, as defined in regulation 10, for the baseline period as defined in regulation 7). Annotations Commencement I1 Sch. 3 para. 9 in force at 31.1.2023, see reg. 1(2) ← Paragraph 8 Paragraph 9 Paragraph 10 →