Requirement to hold a hearing
Ireland
Answer
Yes
Source
http://www.irishstatutebook.ie/1992/en/act/pub/0023/print.html#sec21
The Electoral Act 1992
PART XXI
D?il Election Petitions
132.— (7) At the trial of a petition the HighCourt shall determine the matter at issue in the petition and, if it does notdismiss the petition, shall, where appropriate, include in its orderdetermining the matter at issue either—