Security and Compliance

E-invoicing

• What is the invoicing mandate?
• I have been asked to sign a mandate. Why?
• What does the "Signed PDF" e-invoicing mode mean?
• What does the "Unsigned PDF" e-invoicing mode mean?
• Which e-invoicing mode should I choose?
• My client offers to digitise my invoices in PDF or signed PDF. How and when should I choose?

Archiving

• What is SY archival?
• Does SY offer an electronic safe?
• How long are documents stored on SY?
• How long are invoices stored on SY?
• Where is the data stored by SY hosted?
• I no longer want to use the SY portal. How can I implement reversibility to recover my bills?

VAT rules

• What are the regulations for tax digitisation?
• If I send an invoice to my client on SY, do I have to keep a paper copy of the invoice?
• If I send an invoice through SY, do I also have to send a paper invoice by post?
• Does sending through SY guarantee that my invoices are legally compliant?
• Are my invoices sent via SY legally recognised by the tax authorities?
• How can the tax authorities access my invoices if there is an audit?