As per Lawkidunya, Section 149 of the Income Tax Ordinance, 2001 of Pakistan deals with the filing of returns of income. Here are the income tax slabs for salaried individuals in Pakistan:

Tax Slabs For Salaried Individuals

1. Up to PKR 600,000: 0% tax
2. PKR 600,001 – PKR 1,200,000: 5% of the amount exceeding PKR 600,000
3. PKR 1,200,001 – PKR 2,200,000: PKR 30,000 + 15% of the amount exceeding PKR 1,200,000
4. PKR 2,200,001 – PKR 3,200,000: PKR 180,000 + 25% of the amount exceeding PKR 2,200,000
5. PKR 3,200,001 – PKR 4,100,000: PKR 430,000 + 30% of the amount exceeding PKR 3,200,000
6. PKR 4,100,001 and above: PKR 700,000 + 35% of the amount exceeding PKR 4,100,000

Tax Slabs for Non-Salaried Individuals (Business Income)

1. Up to PKR 400,000: 0% tax
2. PKR 400,001 – PKR 1,000,000: 5% of the amount exceeding PKR 400,000
3. PKR 1,000,001 – PKR 2,000,000: PKR 30,000 + 15% of the amount exceeding PKR 1,000,000
4. PKR 2,000,001 – PKR 4,000,000: PKR 180,000 + 25% of the amount exceeding PKR 2,000,000
5. PKR 4,000,001 – PKR 6,000,000: PKR 580,000 + 30% of the amount exceeding PKR 4,000,000
6. PKR 6,000,001 and above: PKR 1,180,000 + 35% of the amount exceeding PKR 6,000,000

Please note that these tax slabs are subject to change, and individual circumstances may affect the actual tax liability. It’s essential to consult a tax professional or the Federal Board of Revenue (FBR) website for accurate and personalized tax advice.