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Home :: Types of Taxes :: Income Tax (IT)

Income Tax (IT)

Income tax is char​ged on the basis of the ​provisions of the Inland Revenue Act No. 10 of 2006 as amended by Inland Revenue Amendment Acts No. 10 of 2007, 9 of 2008, 19 of 2009, 22 of 2011, 8 of 2012, 18 of 2013 and 08 of 2014.

The Inland Revenue Act provides the legal authority to charge, levy and collect income tax on the profits and income of every person or partnership, which arose or is arising to such person for every year of assessment commencing on or after 1st of April, 2006.


Sources of Profit and income :
  • P​​rofit from a trade, business, profession or vocation
  • Profit from employment
  • Net annual value
  • Dividends, interest or discount
  • Charges or annuities
  • Rents, royalties or premiums
  • Winnings from a lottery, betting or gambling
  • In case of a non-governmental organization, any sum received by such organization by way of grant, donation or contribution or any other manner
  • Income from any other source except profit of a casual and non-recurring nature

In respect of a person who is deemed to be resident in Sri Lanka is chargeable with income tax in respect of his income from Sri Lanka and income derived by him from outside Sri Lanka. The liability to income tax therefore extends to his global income. A person who is deemed to be non-resident in Sri Lanka is chargeable with income tax in respect of only the profits and income, arising or derived from Sri Lanka.​​

​​Tax free allowance of Rs. 500,000 is available for an individual who is a Citizen of Sri Lanka or Non-Citizen but Resident in Sri Lanka. ​​​​​​

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Payment of Tax

IT is payable on self assessment basis in five Installments.

Installment Payment Date
1st Installment On or before the 15th day of the month of August that relevant year
2nd Installment On or before the 15th day of the month of November that relevant year
3rd Installment On or before the 15th day of the month of February that next year
4th Installment On or before the 15th day of the month of May that next year
Final Installment On or before the 30th day of the month of September that next year
Discount on Income Tax payable by Individuals

Any individuals who makes any quarterly self-assessment income tax payment, one month before the due date, is entitled to a 10% discount thereon (not exceeding such percentage on the instalment based on the current year profits).

Furnishing Income Tax (IT) Returns
  • Due date :​​
    • Return of Income Tax (IT) should be furnished on or before 30th day of the month of November that end of relevant assessment year.
  • Submit to :
    • Relevant Branch​​​​​​​
Last updated: 28-04-2016
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