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Prevent MP's from changing party during a Parliament without a bi-election.

Submitted on Sunday 25th January 2026

Rejected on Wednesday 18th February 2026

Current status: Rejected

Rejection code: duplicate (see below for details)

Petition Action

Prevent MP's from changing party during a Parliament without a bi-election.

Petition Details

Ensure that the practice of crossing the house stops so that MP's either continue to represent the party they were elected to by their constituents or they resign and stand in a bi election for their new chosen party.

Additional Information

Constituents vote for prospective MP' on the basis of the party they stand for and or the policies of that individual and that party. If they change party clearly they no longer represent their constituents on the basis on which they were elected.


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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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