We have produced a document for people who want to know the basics about elections, the roles of different organisations and where to find more information.
Candidates and agents standing at Parliamentary by-elections in the UK have to follow rules set out in law regarding their election spending, and the donations and loans they can accept towards campaigning.
This page contains all the guidance and resources that you need to comply with those rules if you are a candidate or agent in a UK Parliamentary by-election in Northern Ireland. If you are looking for guidance on standing as a candidate in Northern Ireland, visit the Electoral Office for Northern Ireland website