Taxation

Late filing typically triggers a penalty and can affect your status on the Active Taxpayers List, which in turn increases the withholding tax rate you pay on various transactions. It's worth filing even if late, rather than not filing at all.

It depends on residency status and the source of income. Non-resident Pakistanis are generally only taxed on Pakistan-source income, but the rules around what counts as Pakistan-source income, and when filing is required, are specific enough to be worth confirming individually.

Yes. An assessment can be challenged before the Commissioner (Appeals) and, if necessary, the Appellate Tribunal Inland Revenue — but appeals have strict filing deadlines, so timing matters as much as the substance of the appeal.