Last verified 2026-08-29. This is a reading aid, not tax advice. ZATCA’s detailed guideline treats the invoice number as a required field; quotes sit outside that sequence until you convert them.
Fawtar’s saved workspace allocates sequential numbers, refuses deletion of issued invoices, and creates credit/debit notes against the original. The public PDF generator does not hold your organisation’s sequence until you create an account.
Sources: Detailed e-invoicing guideline (PDF) · Phase 1 vs Phase 2 · Credit notes, not deletes.