Regulation 4 Length of bathing seasonI1 Northern Ireland For the purposes of these Regulations, the bathing season begins on the 1st June and ends at the end of the day on 15th September in each year. Annotations Commencement I1 Reg. 4 in operation at 30.6.2008, see reg. 1(2) ← Regulation 3 Regulation 4 Regulation 5 →