Sales tax registration and the STRN

Who has to register for federal sales tax

Federal sales tax is imposed under the Sales Tax Act 1990 and administered by FBR. Manufacturers, importers, wholesalers and distributors of taxable goods are the core of the registered population, and certain retailers must also register depending on their size, their location in a shopping centre or their turnover. The duty to register does not depend on whether you want to charge the tax; it depends on what you supply and on the thresholds in force.

Registration is also commercial. Large buyers that want to claim the tax they pay as input tax will only buy from registered suppliers whose invoices carry a valid number, so unregistered suppliers often lose the larger accounts. Check the current categories and thresholds with FBR or a tax adviser, because the Finance Act can change them each year.

A manufacturer in Faisalabad producing garments, a wholesaler in Lahore reselling electronics and an importer in Karachi bringing in machinery are three typical registrants, even though the sectors differ. A shop that sells only to walk-in customers may fall under a different regime, so ask what the rule is for your retail category instead of assuming that registration is only for factories.

How registration works and what you need

Applications are filed online through FBR's Iris portal by a taxpayer who already holds an NTN. FBR normally asks for the business address and proof of the premises, the bank account used for the business, the nature of the activity and the identity details of the owner or directors, and it may carry out biometric verification or a physical inspection before approving. Companies register as the company; sole proprietors register in their own name.

When the registration is approved you receive the sales tax registration number and a registration record that must be kept visible on your premises or website where the rules require it. Because FBR keeps linking its systems to the NTN, the way the two numbers appear on screen and on invoices has changed over time, so use the format that FBR currently shows on your registration certificate.

Before applying, make sure the business address on the NTN profile, the bank account and the premises evidence all use the same name. Mismatches between the applicant's name on the utility bill, the bank account title and the NTN profile are a common reason for delay, and fixing them after the inspection is slower than before it.

Charging the tax: the 18% standard rate and its exceptions

The standard rate on taxable supplies of goods is 18%. Besides it there are reduced rates for certain items, zero-rated supplies such as exports, and exempt supplies, where no tax is charged and generally no input tax can be recovered. Which regime applies to a product depends on its classification in the Schedules to the Act, which are amended frequently, so the safe habit is to confirm the treatment of each product line in writing with your adviser.

A short worked example shows the mechanics. A distributor in Sialkot sells goods worth Rs 1,000,000 before tax to a registered buyer and charges 18%, so the invoice total is Rs 1,180,000 and Rs 180,000 is output tax. During the month it bought stock with Rs 108,000 of sales tax on registered suppliers' invoices. After adjusting the input tax, the amount payable to FBR for that month is Rs 72,000. The numbers are illustrative; extra rules limit which input tax can be claimed.

Returns, payments and input tax discipline

A registered person files a sales tax return for each tax period, normally monthly, and pays the net amount by the due date set by FBR. The return reports output tax on sales and input tax on purchases, and it depends on every invoice being complete. Input tax is generally only recoverable when the purchase invoice is issued by a registered supplier and shows your own registration details, and payment methods may also matter for large purchases.

That is why matching purchase invoices to supplier records matters before the return is prepared, and why a missing or wrongly addressed supplier invoice can cost real money. Late returns and late payment attract default surcharge and penalties set by the Act; ask your adviser for the current due dates and consequences instead of relying on memory.

A practical month-end routine: list all sales invoices issued in the month, compare the total tax with the control account, list purchase invoices received with the supplier's registration number, flag any that lack a number, and only then prepare the return. A twenty-minute check before filing saves the much longer exercise of amending a return afterwards.

Withholding, unregistered buyers and common mistakes

Large buyers, government departments and some sectors are required to withhold part of the sales tax on payments to suppliers and to deposit it with FBR on the supplier's behalf. The supplier then receives a smaller amount in cash but is entitled to count the withheld tax in the return. This catches small suppliers out because the bank credit is lower than the invoice total, and the difference must be traced through the withholding certificate or statement the buyer issues.

Sales to unregistered buyers are not forbidden, but they raise the question of the further tax rules that apply to such supplies, and the rules differ by category. Mistakes that recur include charging tax on exempt goods, failing to charge it on a taxable bundle that includes delivery, backdating invoices into an earlier period and treating a credit note as a deletion of the original. Each is fixed more easily when every invoice, credit note and correction is kept and numbered in order.

What a sales tax invoice usually shows

A sales tax invoice typically carries the supplier's name, address, NTN and sales tax registration number, the buyer's name and, where registered, the buyer's numbers, the date, a serial number, a description of the goods with quantity, the value excluding tax, the rate and the amount of tax, and the total. If your invoice omits a mandatory element, the buyer may be unable to claim the input tax, which becomes your commercial problem.

With 4invoices you enter your company details once and each PDF invoice repeats them, with sequential numbering and an archive of every document issued. You add the tax rate your adviser confirms to each line. 4b2b does not look up rates, validate registration numbers or submit invoices to FBR, PRAL or any digital invoicing scheme, so those obligations stay with you and your adviser.

Manufacturers, importers, wholesalers, distributors and some retailers supplying taxable goods must register under the Sales Tax Act 1990, subject to thresholds and categories that change with the Finance Act. Suppliers of services register with provincial authorities instead. Check your category with FBR or an adviser before you start charging tax, because charging tax without registration is itself a problem.

The standard federal rate on taxable goods is 18%. Some goods carry reduced rates, exports are generally zero-rated and certain supplies are exempt. Because schedules are amended often, confirm the treatment of each product with FBR or your adviser and show the confirmed rate on every invoice line and keep the written confirmation in your files.

The NTN identifies you to FBR as a taxpayer for income tax and other purposes. The sales tax registration number, often called STRN, is issued when you register as a sales tax payer. Both normally appear on a sales tax invoice, though FBR has been aligning the two systems, so use the format on your current certificate and ask your adviser which of the two your customers need to see.

Registered persons normally file a return for every monthly tax period through FBR's portal and pay the net tax by the due date. Late filing can bring default surcharge and penalties. Ask your adviser for the current calendar, and build the invoice and purchase checks into the end of every month and keep a copy of each filed return.

No. 4invoices does not connect to FBR, PRAL or Digital Invoicing. It prepares numbered PDF invoices with the details you enter and keeps an archive of everything issued. Submission, returns and any integration your category requires stay with you or your tax adviser, who can tell you whether your sector must report invoices to FBR in real time.

Information page

This page is informational. Confirm requirements with FBR, the provincial authority or SECP; 4b2b tools cover general invoicing and records only.