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MPs that defect to another party should trigger an immediate by-election

Submitted on Tuesday 27th January 2026

Rejected on Tuesday 24th February 2026

Current status: Rejected

Rejection code: duplicate (see below for details)

Petition Action

MPs that defect to another party should trigger an immediate by-election

Petition Details

Change the rules so that when a sitting MP defects to a different party, a by-election is immediately triggered

Additional Information

so that the electorate of the relevant constituency get a chance to be represented in parliament by an MP that represents them and the manifesto the majority initially voted for.
The votes should not follow the MP, as by definition of defection, the MP no longer represents the voters that put the MP in parliament, and the only way to check this is to have a by-election


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This petition was rejected

The Government e-Petitions Team gave the following reason:

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.

You may wish to sign the following petition, which calls for similar action:

By-elections to be called automatically when MPs defect to another party
petition.parliament.uk/petitions/737660

Have your say on this petition!

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216.73.217.50 Sun, 21 Jun 2026 00:23:25 +0100