FOR ACCOUNTANTS AND PAYABLE TEAMS

Calculate withholding and net payable

Enter ordinary invoice information. The calculator applies federal income tax and the selected provincial service tax withholding logic.

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Vendor payment calculator

Rates are selected from the transaction, vendor and payer details.

Vendor type
Income tax ATL status

Provincial withholding guides

These summaries help users understand why the calculator applies a particular withholding treatment.

Punjab

Government and public sector cases generally withhold 100% of service tax. Specified regulated companies withhold 80%, while other companies generally withhold 20%, subject to exemptions.

Sindh

Government generally withholds 80%. Autonomous bodies, public sector entities and companies generally withhold 20%. Special categories and unregistered cases require full withholding.

KPK

Full withholding applies to advertisement, unregistered or inactive providers, government/public sector recipients, out-of-province unregistered providers and reduced-rate services. Other cases use 50% of leviable tax.

Frequently asked questions

Is income tax calculated on the gross invoice?

For this calculator, income tax withholding is applied to the gross payment basis selected under section 153.

What happens if service tax is not shown separately?

The calculator derives the embedded tax using the applicable tax fraction and then applies the provincial withholding portion.

Does the calculator replace professional tax advice?

No. Unusual classifications, exemption certificates, reduced rates and place of provision questions should be checked against current law.

About Taxbook Solution

Taxbook Solution is a proprietor business registered with the relevant tax authority. TBS WHT Calculator is designed for accountants, accounts payable officers and finance assistants in Pakistan. The purpose is to make routine vendor payment calculations easier to understand, review and document.

Editorial and legal review

Rates and rules should be reviewed after every Finance Act, provincial Finance Act, notification and amendment. Each guide page should show an effective date and source note.