Sinn Fe´in candidates in all regional and parliamentary elections have to sign a pledge agreeing to be amenable to all directions and instructions issued by the national executive and agree to resign their seats if called upon by the majority of An Ard Chomhairle.123 Sinn Fe´in is not an exception in having candidates make such pledges.124 Candidates for the Westminster elections also agree to not sit in, or take part in, the proceedings of the Westminster parliament.125