E-invoicing
E-invoicing
What is the invoicing mandate?
What is a billing mandate and why do I need to sign one?
What does the "Signed PDF" e-invoicing mode mean?
What dematerialization method does an “unsigned PDF” correspond to?
What are the dematerialization methods available in the SY portal?
My client offers to digitise my invoices in PDF or signed PDF. How and when should I choose?
Frequently asked questions
- Guest Supplier Tutorials
- How to create a user?
- How can the tax authorities access my invoices in the event of an audit?
- How to register on SY? (invited buyer)
- What is SY?
- What is the Cegedim Group?
- What configuration is required to access SY?
- Error message "email address already in use"
- Which invoices are present in the "In Anomaly" list?