It's a very good question and one that I have been asking many questions about myself for the last while. It's not as straightforward an answer, unfortunately, as what you just described from south of the border. Having said that, I would encourage you to speak to officials on that further. I don't feel expert enough yet, but I can tell you that I've been asking a lot of questions on this in the last little while.
Evidence of meeting #61 for Procedure and House Affairs in the 44th Parliament, 1st session. (The original version is on Parliament’s site, as are the minutes.) The winning word was telford.
A video is available from Parliament.