Requirement to hold a hearing
Germany
Law on the Scrutiny of Elections(Wahlpr?fungsgesetz), (published 1951-03-12, last amended 2012-07-12), http://www.bundeswahlleiter.de/en/bundestagswahlen/downloads/rechtsgrundlagen/wahlpruefungsgesetz_engl.pdf
Section 6
(1) Before the final decision ismade, a date for an oral hearing shall be appointed only if the preliminaryexamination shows that such a hearing is expected to further advance theproceedings.
[…]