Understanding GST and VAT: A Complete Guide
Goods and Services Tax (GST) and Value Added Tax (VAT) are consumption-based taxes levied on goods and services at various stages of production and sale. While the names differ by country, the underlying principle is the same: tax is collected at each stage of the value chain, with businesses claiming back the tax they paid on inputs.
Pakistan General Sales Tax (GST) — 18%
Pakistan's General Sales Tax is governed by the Sales Tax Act 1990 and administered by the Federal Board of Revenue (FBR). The standard rate is 18% on most taxable goods and services. Here is what Pakistani businesses need to know:
- Registration Threshold: Businesses with annual taxable turnover exceeding PKR 10 million must register for Sales Tax with FBR and obtain a Sales Tax Registration Number (STRN)
- Filing Frequency: Registered businesses must file monthly sales tax returns by the 15th of the following month
- Zero-rated goods: Exports, certain agricultural inputs, and specific pharmaceutical products attract 0% GST
- Exempt goods: Unprocessed agricultural produce, live animals, and certain medical equipment are exempt
- Further Tax: An additional 3% "Further Tax" applies when selling to unregistered persons, making it effectively 21% in such transactions
- Withholding GST: Large companies and government departments withhold GST on purchases instead of paying it to the supplier
The FBR's IRIS system manages all GST registration and filing. Non-compliance attracts heavy penalties including default surcharge at 12% per annum on unpaid tax.
India GST — Four-Slab System
India launched its unified Goods and Services Tax in July 2017, replacing a complex web of central and state taxes. The Indian GST system operates with four main rates:
| GST Rate | Category | Examples |
|---|---|---|
| 0% | Essential items | Fresh fruits, vegetables, milk, eggs |
| 5% | Basic necessities | Packaged food, medicine, transport |
| 12% | Standard goods | Processed foods, smartphones below ₹15,000 |
| 18% | Most goods & services | Electronics, restaurants, financial services |
| 28% | Luxury & sin goods | Cars, luxury hotels, tobacco, aerated drinks |
India also has CGST (Central GST) and SGST (State GST) for intra-state sales, and IGST for inter-state transactions. For consumers, the total GST rate is what matters — the CGST/SGST split is a back-end accounting matter between the central and state governments.
UAE VAT — 5%
The UAE introduced a 5% Value Added Tax on 1 January 2018 as part of the GCC VAT framework. This was a significant shift for a region historically known for zero taxation. Key points:
- Businesses with taxable supplies exceeding AED 375,000 must register for VAT
- Voluntary registration is possible for businesses with turnover above AED 187,500
- Zero-rated items include exports, international transport, and certain healthcare and education services
- Exempt items include local passenger transport, bare land sales, and residential property
- VAT returns are filed quarterly with the Federal Tax Authority (FTA)
UK VAT — 20%
The United Kingdom operates one of the world's most mature VAT systems at a standard rate of 20%. A reduced rate of 5% applies to domestic fuel, women's sanitary products, children's car seats, and home energy-saving materials. Zero-rated items include most food, books, children's clothing, and public transport fares. Businesses with turnover over £90,000 (as of 2024) must register for VAT.
Input Tax Credit — How Businesses Benefit
Input Tax Credit (ITC) is the mechanism that prevents the "cascading effect" of taxes — where tax is paid on tax. Here is how it works:
- A manufacturer buys raw materials for PKR 100,000 + PKR 18,000 GST = PKR 118,000 total
- They process and sell the finished product for PKR 150,000 + PKR 27,000 GST = PKR 177,000 total
- The manufacturer has collected PKR 27,000 GST but already paid PKR 18,000 GST on inputs
- They remit only PKR 27,000 - PKR 18,000 = PKR 9,000 to the government
This system means that the end consumer bears the full tax burden (PKR 27,000 in the example above), while businesses act as tax collectors at each stage.
Reverse Charge Mechanism
Under the Reverse Charge Mechanism (RCM), the buyer (not the seller) is responsible for paying GST/VAT directly to the government. This applies in specific situations such as:
- Imports of goods or services (buyer pays GST on imports)
- Services from unregistered vendors above the threshold
- Specific notified categories (in India: GTA services, legal services, etc.)
- In Pakistan: services by non-resident digital companies to Pakistani businesses
GST on Services vs Goods
In Pakistan, services are taxed under Provincial Sales Tax laws administered by different Revenue Authorities (PRA in Punjab, SRBT in Sindh, KPRA in KP, BRA in Balochistan). The rate for services is generally 16% in Punjab and 13% in Sindh, though specific services may have different rates. This differs from the federal GST on goods. When calculating tax for service businesses in Pakistan, always verify the applicable provincial rate for your specific service category.
How to Add GST to a Price (Formula)
To add GST to an exclusive (pre-tax) price: Total = Price × (1 + Rate/100). For example, a product priced at PKR 10,000 with 18% GST: Total = 10,000 × 1.18 = PKR 11,800. The GST amount is PKR 1,800.
How to Remove GST from an Inclusive Price (Formula)
To extract GST from a tax-inclusive price: Original Price = Inclusive Price / (1 + Rate/100). For example, you paid PKR 11,800 including 18% GST: Original price = 11,800 / 1.18 = PKR 10,000. GST = PKR 1,800. This is essential for businesses reconciling accounts or customers wanting to know the pre-tax price.