After registering your business, the next crucial step is to get your National Tax Number (NTN) and, if applicable, your Sales Tax Registration Number (STRN). These are required to operate legally in Pakistan, file tax returns, and appear on the Active Taxpayers List (ATL) — a status that improves credibility and reduces withholding tax rates for your business.
What is an NTN and Why You Need It
The National Tax Number (NTN) is a unique identification number issued by the Federal Board of Revenue (FBR). It links your business to the national tax system and allows you to file income tax returns. Without an NTN, your business is considered unregistered, and clients, especially corporate or government buyers, may avoid working with you.
Sole proprietors, partnerships, and companies all need an NTN, but the documentation may vary slightly depending on the structure.
How to Apply for an NTN via FBR IRIS
The process is fully online and managed through the FBR IRIS portal:
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Visit https://iris.fbr.gov.pk
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Create a new taxpayer profile using your CNIC and mobile number
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Fill in basic business details (name, type, address)
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Upload supporting documents:
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CNIC copy
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Proof of business address (utility bill or rent agreement)
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Registration certificate (if applicable)
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Business letterhead and stamp
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Submit the application and wait for FBR review
Once approved, you’ll receive a digital NTN certificate which you can download and print.
When You Need a Sales Tax Registration (STRN)
In addition to the NTN, if your business sells taxable goods or services, you also need a Sales Tax Registration Number (STRN). This is especially relevant for:
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Retailers
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Manufacturers
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Importers/Exporters
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Service providers with taxable services
Sales tax registration enables you to issue sales tax invoices and claim input tax adjustments. It also ensures you’re not penalized for non-compliance if your business hits the taxable threshold.
The STRN application is also filed via the FBR IRIS portal, alongside or after NTN registration.
Active Taxpayers List (ATL) Benefits
Once you’re registered and have filed your first tax return, your business appears in the ATL — a published list by FBR of all compliant taxpayers.
Benefits of ATL status:
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Lower withholding tax on banking and contracts
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Increased trust from clients and vendors
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Better chances of securing contracts or working with government agencies
How CABCS Can Help
Applying for an NTN or STRN can feel overwhelming if you’ve never dealt with FBR systems before. At CABCS, we handle the full registration process — from IRIS profile creation to document upload, issue resolution, and certificate download. We also ensure you meet the compliance deadlines to maintain ATL status and avoid penalties.