1. Income from Salary

This includes all types of payments received by an employee from an employer, such as:
✔ Basic salary
✔ Allowances (house rent, medical, conveyance, etc.)
✔ Bonuses, commissions, and benefits
✔ Perks like company-provided car or accommodation

2. Income from Property

Any income earned through trade, profession, or business activity falls under this head. Examples include:
✔ Profits from sole proprietorships or partnerships
✔ Professional income (lawyers, doctors, consultants, freelancers)
✔ Income from manufacturing, services, or trading activities

3. Income from Business

This refers to income earned from letting out immovable property, such as:
✔ Rental income from houses, flats, shops, or commercial buildings
✔ Advance rent or security forfeited
✔ Any other amount received in relation to the lease of property

4. Capital Gains

Capital gain arises when a person sells a plot, house, or building at a price higher than the purchase cost. Tax is imposed on the profit earned from disposal of immovable property.

Factors affecting tax include:
✔ Holding period (short-term vs. long-term)
✔ Fair market value determined by FBR
✔ Exemptions in certain cases (e.g., first house for personal use)

5. Income from Other Sources

This is a residual category covering income not included in the above heads. Examples are:
✔ Dividend income
✔ Prize bonds or lottery winnings
✔ Interest or profit on debt (bank deposits, savings accounts)
✔ Royalty or technical service fees