LadyHonoriaDedlock
It may depend on which parties Fleurpepper is a member of. You can be a member of both the SNP and Plaid Cymru, and quite a few here in Scotland are and probably in Wales too, because they will never stand candidates against each other. Such people may also be members of one of the Northern Ireland too, presumably the Alliance or Sinn Féin since I doubt they would join Unionist parties. There are SNP members who are also members of Sinn Féin and this is within the rules although sometimes unionists will make an issue of it to be mischievous.
Your point applies to belonging to the Labour Party and the Co-operative Party LadyHonoria. But the specify that to join you may not belong to any other party.
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