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Clear answers for Pakistani businesses moving to FBR's Digital Invoicing system — what it is, how integration works, where PRAL fits in, and how it differs from IRIS.
190in-depth guides · updated for 2026
What FBR Digital Invoicing is, who must use it, the 2026 rules and fines, what it costs, and how to start sending QR-coded sales tax invoices to FBR in real time.
Read the full guideFBR digital invoicing integration in 6 steps (Oct 2026): DI API v1.12, free sandbox and 5-year token, 3 routes compared by cost and time, and a worked invoice.
Read the full guidePRAL digital invoicing explained: what PRAL does, the free 5-year token, IP whitelisting, sandbox tests, and when a ready platform saves you work.
Read the full guideIRIS digital invoicing explained: what you do on IRIS, what the DI API does, 5 setup steps, 5-year tokens, and which software works with it. Updated Oct 2026.
Read the full guideFBR's Digital Invoicing system does not auto-retry a failed submission — if the connection dropped mid-post, your invoice is not in FBR. How to tell a rejection from a transport failure, verify before re-sending, and recover without creating duplicates.
Read guideEvery FBR digital invoice must declare the buyer as Registered or Unregistered — and the declaration must match the buyer's actual FBR profile. What changes between the two (further tax, withholding, input-tax credit), and the checks that prevent errors 0053, 0070 and 0080.
Read guideFBR recomputes the tax on every posted invoice line and rejects mismatches with errors 0102–0105. The exact formulas by sale type — standard 18%, 3rd Schedule retail price, fixed per-unit rates, composite rates — plus the rounding and decimal rules that make them pass.
Read guideEvery rejection code the FBR Digital Invoicing API can return on a sales invoice — what each code means, why it fired and how to fix it. Format errors, debit note rules, tax calculation mismatches, SRO requirements and token failures, organised the way PRAL's own error guide defines them.
Read guideDigi Invoice (digi-invoice.online) is Pakistani software for FBR Digital Invoicing: it validates sales tax invoices against the DI v1.12 rules, posts them to FBR in real time and returns the IRN and QR code. What it does, who it is for, and how it differs from similarly named apps abroad.
Read guideThe exact steps to issue a valid FBR digital invoice — from sales tax registration and tokens to entering buyer and item details, posting in real time, and printing the invoice with its IRN and 1×1-inch QR code.
Read guideSales tax registration — not business size — decides who must issue FBR digital invoices. Who is genuinely outside the net, why selling exempt goods is not an exemption, and where services stand in 2026.
Read guidePakistan runs a real-time clearance e-invoicing model under Rule 150Q of the Sales Tax Rules. A one-page compliance overview: who is in scope, the SRO timeline, the JSON invoice format with IRN and QR, and the 2026 penalty regime.
Read guideA practical self-training path for owners and accounts teams — the free official documents worth reading, a 5-day sandbox practice plan, and the error codes every trainee should learn to fix first.
Read guideThe four checks a Pakistani buyer should run before claiming input tax — verify the FBR digital invoice by QR or SMS 9966, confirm the supplier's ATL and registration status, match the NTN, and pay through banking channels.
Read guideHow to get an STRN on IRIS — who must register for sales tax, the documents you need (bank certificate, premises, GPS-tagged photos), NADRA biometric verification within 30 days, and how registration flows straight into FBR Digital Invoicing.
Read guideFBR runs two real-time reporting systems — POS integration (for retail outlets) and Digital Invoicing (the DI API for sales tax invoices). This guide explains the difference, who each one applies to, and how to tell which your business must connect to in 2026.
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