ZATCA E-Invoicing Wave 23 & 24 Deadlines: Everything Saudi Businesses Need to Know in 2026
If you're running a business in Saudi Arabia and haven't taken ZATCA's e-invoicing compliance seriously yet, 2026 is your final call. With Wave 23 and Wave 24 now officially announced, the revenue thresholds have dropped low enough that thousands of SMEs are entering the mandatory scope for the very first time. Let's break it all down. A Quick Background — What Is ZATCA's E-Invoicing Framework? Saudi Arabia rolled out its e-invoicing mandate (Fatoora) in two distinct phases: Phase 1 – Generation Phase (December 4, 2021): All VAT-registered taxpayers were required to stop using handwritten or spreadsheet-generated invoices and adopt a compliant electronic invoicing system instead. Phase 2 – Integration Phase (rolling out in waves from January 1, 2023): Businesses must now integrate their invoicing systems directly with ZATCA's Fatoora Platform. B2B invoices require real-time clearance, while B2C (simplified) invoices must be reported within 24 hours of issua...