UK Parliamentary general election
An election to the House of Commons.
Under-representation
Where there are more electors per councillor in a ward or division than the average for the local authority. The Boundary Committee for England’s electoral reviews seek to correct instances of under-representation. See also over-representation.
Unidentifiable donor
Any donor whose identity a party cannot find out, whether because the donation was made anonymously or through any deception or concealment.
Unitary authority (UA)
A single, all-purpose council with the functions of a county and district council in one local authority.
