4. In paragraph 6 (initial attributions)—
(a)in sub-paragraph (1), for “shall” substitute “is to”;
(b)for sub-paragraph (2), substitute—
“(2) In sub-paragraph (1), “the relevant number”, in relation to the year ending on 31st March 2018 and any later year, means—
(a)for England, such number published by the Commission not later than 7th March preceding the beginning of the year in question as is calculated by the Commission to be equal to the total number of persons whose names appeared on a relevant register in England;
(b)for Northern Ireland, such number published by the Commission not later than 7th March preceding the beginning of the year in question as is calculated by the Commission to be equal to the total number of persons whose names appeared on a relevant register in Northern Ireland;
(c)for Scotland, such number published by the Commission not later than 7th March preceding the beginning of the year in question as is calculated by the Commission to be equal to the total number of persons whose names appeared on a relevant register in Scotland;
(d)for Wales, such number published by the Commission not later than 7th March preceding the beginning of the year in question as is calculated by the Commission to be equal to the total number of persons whose names appeared on a relevant register in Wales.”.