Detailed Commentary on Sections in Part 6 Schedule 1: Alteration of Assembly Electoral Regions Paragraph 9(5)
617.The next highest number below the total number of regional seats which can be divided exactly by 5 is then taken again. In the above example of 19 regional seats, it was 15. This is then divided by 5. In this example, the result would be 3.
618.For each electoral region, that number is then added to the number of Assembly constituencies in the region. The result is then divided into the number of electors in that region.