The EISA Chad CENI brief indicated that thevote tabulation process involves the transmission of physically counted resultsfrom each polling station to the respective district structures where summationof the results is done, which hints at the involvement of technology, beforetransmission to the CENI national structures for final summation.
Electoral Institute for Sustainable Democracy in Africa
Chad: Electoral system
Trans-Saharan Elections Project: Chad. VoterIdentification and the Electoral Lists http://sahelresearch.africa.ufl.edu/tsep/themesissues/counting-and-results/chad/