Messaging
Exchange messages about an invoice
Exchanging messages on an order
Frequently asked questions
- Guest Supplier Tutorials
- How can the tax authorities access my invoices in the event of an audit?
- What is SY?
- How do I access my customer orders?
- How to create a user?
- What is the Cegedim Group?
- How to register on SY? (invited buyer)
- How to exchange a message about an invoice?
- Error message "email address already in use"