Registered taxpayers issue e-Fatura to each other and e-Arşiv to everyone else.
The facts
| Format | e-Fatura and e-Arşiv (UBL-TR) |
| Goes to | GİB, through a private integrator |
| Regime | Clearance — the authority authorises the document before it is valid |
| Invoice number | Assigned by the authority, not by us — we record what comes back |
| Seller tax ID | VKN |
| Buyer tax ID | VKN / TCKN |
| Peppol EAS code | 9952 |
| Integration | Nilvera |
The part that costs a day
Which of the two you must issue depends on whether the buyer is registered — you have to check before you issue, not after. Getting it wrong means the document is void, not merely late.
The authority owns the sequence, so we step aside and record what comes back. Any tool that promises you full control of the number in Turkey is describing something that cannot happen.
Never extracted from the gross. The two formulas differ by a cent and the wrong one gets the file rejected. The leftover cent is declared as payment rounding (BT-114), where the standard puts it.
Straight talk
We do not hold your signing certificate, we do not file your periodic returns, and we are not your accountant.
Issuing here goes through Nilvera, with your own credentials. We build the document, validate it, send it and record what comes back.
Oltrano