Requirement to hold a hearing in the last instance
Canada
Canada Elections Act (published 2000-05-31, lastamended 2012-04-01), http://laws.justice.gc.ca/PDF/E-2.01.pdf
532. (1) An appeal from a decision made undersubsection 531(2) lies to the Supreme Court of Canada on any question of law orfact, and must be filed within eight days after the decision was given.
(2) The Supreme Court shall hear the appeal withoutdelay and in a summary manner.
[…]