Important:

This petition was submitted during the 2017-2019 parliament

Rejected petition When an MP leaves a political party, a by-election must be triggered.

Many voters vote for a political party regardless of who the candidate is, therefore if the MP leaves that party, there should be a by-election triggered automatically.

This petition was rejected

Why was this petition rejected?

There’s already a petition about this issue. We cannot accept a new petition when we already have one about a very similar issue.

You are more likely to get action on this issue if you sign and share a single petition.

https://petition.parliament.uk/petitions/242193

We only reject petitions that don’t meet the petition standards.