We received our Derin Bilgi e-Ledger approval and our customers made their applications. We offer the industry's most unique e-invoice solution to our customers with whom we have agreements as direct integrators.We presented.In our projects, incoming and outgoing invoices are not actually printed, but flow within the ERP.We have created a new accounting process with functions that increase operational efficiency beyond legal obligations, the unique contribution of our digital archive solution and our e-Ledger solution. http://www.edefter.gov.tr/uyumlu_program.html