Requirement to hold a hearing in the last instance
Bhutan
Answer
Yes
Source
Election Act of the Kingdom of Bhutan, 2008
Appealsfrom Orders of Returning Officers
241. The appellate authority shall, upon holding an inquiry or hearing asdeemed appropriate, make every endeavour to decide the appeal within five daysof its receipt.
Source:http://www.election-bhutan.org.bt/wpcontent/uploads/2013/04/ElectionActEnglish.pdf