How to Appeal an FBR Assessment: Deadlines, Forums and What Actually Wins

Disputes · Appeals

An assessment you disagree with is not final. It is the start of a process with hard deadlines, and missing the first one closes the door on all the others.

All Pakistan Taxes desk · 17 August 2026

Most taxpayers who lose a tax dispute in Pakistan do not lose it on the merits. They lose it on time. The appeal window is short, it runs from service of the order rather than from when you got around to reading it, and there is very little sympathy available afterwards.

The structure is a ladder. Each rung has its own forum, its own deadline and its own character, and you cannot skip a rung because you would prefer the one above it.

The first rung: Commissioner (Appeals)

An appeal against an assessment order goes to the Commissioner Inland Revenue (Appeals) within thirty days of the date the order is served on you. That is the single most important number in this article. Thirty days is not thirty working days, and the clock does not pause because you are still arranging representation.

The appeal is filed electronically through IRIS. You log in, open the appeals section against the relevant assessment case, and upload the appeal along with your grounds and supporting exhibits. The electronic route is a genuine improvement, because it creates a timestamped record of exactly what was filed and when, which used to be a recurring source of disputes in itself.

The threshold that decides your forum

The Tax Laws (Amendment) Act, 2024 restructured the appeals system and introduced monetary thresholds determining which forum hears a case. This is the part practitioners most often have to explain twice, because it inverts the natural assumption that every appeal starts at the bottom of the ladder.

A large income tax dispute therefore goes straight to the Appellate Tribunal Inland Revenue rather than passing through the Commissioner first. The intention was to stop high value cases being delayed by an additional layer. The practical effect is that anyone who assumes a two stage process for a substantial assessment can file in the wrong forum and lose time they do not have.

The second rung: the Appellate Tribunal

Where the Commissioner (Appeals) has decided and you remain dissatisfied, a further appeal lies to the Appellate Tribunal Inland Revenue under Section 131, and it must be filed within sixty days of the Commissioner order.

The Tribunal is the last forum that examines facts. Beyond it, a reference to the High Court is confined to questions of law, which means the factual record built at the Commissioner and Tribunal stages is the record you are stuck with permanently. Evidence not produced there is generally not admitted later.

Treat the first two stages as the only chance to prove what happened. Everything above them argues about the law, not the facts.

What actually succeeds on appeal

Appeals are won on documents and procedure far more often than on argument. The grounds that consistently carry weight are narrow and unglamorous.

The strongest is documentary rebuttal of a specific addition. Where an assessing officer has disallowed an expense or added income, an appeal that attaches the invoice, the bank record and the ledger entry for that item, and addresses each disputed head separately, is engaging with the case as the forum will decide it. A general assertion that the assessment is excessive is not.

The second is procedural defect. An assessment made without a proper show cause notice, or without giving the taxpayer a reasonable opportunity of being heard, is vulnerable irrespective of the underlying numbers. This is why the correspondence trail from the original notice matters so much, and why replies should always go through IRIS rather than by telephone. Our guide to responding to FBR notices under sections 114, 176 and 122 covers the stage that generates most of this record.

The third is a plain error of law or of computation. Misapplied rates, the wrong tax year, double counting of the same receipt, or a failure to give credit for tax already deducted are all common, all boring, and all straightforwardly demonstrable.

Recovery while an appeal is pending

Filing an appeal does not automatically suspend recovery of the demand, which surprises people. A separate application for stay is generally required, and it needs to be made promptly rather than after a bank account has been attached.

This is one of the practical reasons to take the earlier stages seriously. A taxpayer who engaged properly with the original notice, filed a reasoned reply and kept the documentation is in a far better position to obtain a stay than one whose file shows nothing but silence followed by an appeal.

Getting the basics right first

A surprising share of assessments that end up on appeal originate in avoidable filing problems: a return that does not reconcile against third party data, or a taxpayer who fell off the Active Taxpayer List and was assessed accordingly. Checking your filer status and filing a clean return through the Tax Year 2026 process prevents more disputes than any appeal strategy resolves.

Where the dispute concerns a refund rather than a demand, the route differs, and our guide to claiming an FBR income tax refund sets out that process. Where the underlying problem is late filing, the penalty regime for late filers explains the exposure being appealed against.

Common questions