Requirement to issue reasoned decision
![Niue](https://flagcdn.com/w160/nu.png)
Niue
Answer
Yes
Source
Niue Assembly Act 1966, PART 5 DISPUTED ELECTIONS
90 Election petitions
(5) Evidence may be given to prove that theelection of any rejected candidate would be invalid in the same manner as ifthe petition had complained of his election.
http://www.gov.nu/wb/media/Volume%203.pdf