(1) The limit on referendum expenses incurred during the referendum period by or on behalf of a permitted participant described in column 1 of the Table below is the amount specified in the corresponding entry in column 2 of that Table.
(1) Permitted participant
(2) Limit (£)
(2) For the purposes of this paragraph—
(a) a registered political party has a relevant percentage in relation to the Welsh referendum if, at the Assembly general election held in 2007 (the 2007 election), constituency votes were cast for one or more candidates at the election authorised to use the party’s registered name and electoral region votes were cast for the registered political party; and
(b) the amount of the relevant percentage is equal to the sum of—
(i) the total constituency vote cast for the candidate or candidates mentioned in (a) in the 2007 election as a percentage of the total number of constituency votes cast in that election, multiplied by two thirds, and
(ii) the total electoral region votes cast for a registered political party in the 2007 election as a percentage of the total number of electoral region votes cast in that election for any registered political party, multiplied by one third.