The most significant law for electoral funding in the UK is the Political Parties, Elections and Referendums Act of 2000. This Act of Parliament:
Set up an independent electoral commission
Capped at £30,000 per constituency
Parties must publish details of donations
All donations over £5000 (nationally) or £1000 (constituency) must be declared.
Donations can only come from someone on the electoral register, a UK registered company, a registered political party or a registered trade union/building society.
What is the maximum amount a party can spend per constituency according to the Political Parties, Elections and Referendums Act of 2000?