It refers to a vacant seat. A seat becomes vacant the moment someone takes the Chiltern Hundreds. Absolutely all rights, privileges, and responsibilities of being an MP cease at that moment. (View Post)

No, a seat is vacant due to either death or resignation, not just death. A resigned MP will do as much casework as a dead one. (View Post)

No, he is not obliged to deal with his constituents, mainly because he doesn’t have any. I’d be happy to be proven wrong, if you can show me the rules that say he does maintain a responsibility. Just… (View Post)

I don’t think so. The seat is vacant, he has no responsibilities to it. (View Post)

He was disqualified the moment he accepted a commission of the crown. (View Post)