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"