The Electronic Certificate is produced by the Public Certification Center within TUBITAK for the Administration within the framework of the General Communique on Tax Procedure Law No. 397. It is designed to ensure the integrity, source and content of e-Invoice, e-Ledger and other legal documents created as electronic documents by legal entities. The provision of the Electronic Certificate is mandatory to use the e-Invoice application. Detailed information can be found at
http://mm.kamusm.gov.tr/