Tax and e-invoicing, explained plainly.
Practical guides written for owners and finance teams, with dates and links to the official sources. We re-check them when rules change.
UAE e-invoicing guide
Deadlines, ASP, PINT AE · Who must e-invoice in the UAE, when (30 Oct 2026 ASP deadline, 1 Jan and 1 Jul 2027 go-live), how the five-corner model and PINT AE work, and what to do now.
OpenZATCA Phase 2 guide
Saudi e-invoicing waves · Saudi Arabia’s FATOORA Phase 2 explained: generation vs integration, clearance vs reporting, wave 24 and wave 25 (SAR 187,500, 1 Feb 2027).
OpenPeppol and PINT explained
The global e-invoice network · What Peppol is, how the four-corner and five-corner models work, what PINT and PINT AE are, and which countries use Peppol for e-invoicing.
OpenUAE VAT basics
Registration, invoices, returns · UAE VAT at 5%: registration thresholds (AED 375,000 mandatory, 187,500 voluntary), tax invoice rules, return periods and deadlines, record keeping.
OpenGlobal e-invoicing map 2026
20 countries, dated · E-invoicing rules and deadlines for the UAE, Saudi Arabia, Oman, Qatar, India, Malaysia, Singapore, the UK, EU countries, Australia, Kenya and Nigeria. Updated October 2026.
OpenGlossary
Plain-language definitions from ASP to ZATCA.
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