Requirement to issue reasoned decision
Tanzania, United Republic of
Answer
Yes
Source
The National Elections Act (CAP 343)2010
Article 110(4)[..the attendance of anyperson as a witness who appears to the court to have been concerned or involvedin the election in question or whose evidence may assist the court to reach ajust and fair decision in the matter before it]
http://www.unisa.ac.za/contents/faculties/law/docs/National_Elections_Act-.pd