[9(1)This rule has effect for the purposes of this Schedule.U.K.
(2)The “electorate” of the United Kingdom, or of a part of the United Kingdom or a constituency, is the total number of persons whose names appear on the relevant version of a register of parliamentary electors in respect of addresses in the United Kingdom, or in that part or that constituency.
For this purpose the relevant version of a register is the version that is required by virtue of subsection (1) of section 13 of the Representation of the People Act 1983 to be published no later than the review date, or would be so required but for—
(a)any power under that section to prescribe a later date, or
(b)subsection (1A) of that section.
(3)“Local government boundaries” are—
(a)in England, the boundaries of counties and their electoral divisions, districts and their wards, London boroughs and their wards and the City of London,
(b)in Wales, the boundaries of counties, county boroughs, electoral divisions, communities and community wards,
(c)in Scotland, the boundaries of local government areas and the electoral wards into which they are divided under section 1 of the Local Governance (Scotland) Act 2004, and
(d)in Northern Ireland, the boundaries of wards.
(4)“Ordinary council-election day” is—
(a)in relation to England and Wales, the ordinary day of election of councillors for local government areas;
(b)in relation to Scotland, the day on which the poll is held at ordinary elections of councillors for local government areas;
(c)in relation to Northern Ireland, the day of an election for any district council (other than an election to fill a casual vacancy).
(5) The “ review date ”, in relation to a report under section 3(1) of this Act that a Boundary Commission is required (by section 3(2)) to submit before a particular date, is two years and ten months before that date.
(6) “ The United Kingdom electoral quota ” has the meaning given by rule 2(3).
(7)A reference in rule 6 to an area is to the area as it existed on the coming into force of Part 2 of the Parliamentary Voting System and Constituencies Act 2011.]