27/08/2026
Wishing everyone a peaceful and blessed Poya Day! ๐โจ
As we reflect on tranquility, clarity, and harmony, let us focus on what we can transform and let go of what we cannot control.
At ATC Corporate, we help you navigate your financial landscape with confidence so you can focus on growing your business seamlessly.
Our Core Services:
Tax Consultancy
Bookkeeping Services
Financial Consultancy
Audit & Assurance
Investment Advisory Services
Stay Compliant. Stay Confident. Stay Ahead. ๐ผ
๐ Contact Us: 011 281 8269 / 070 300 7831
๐ง Email: [email protected]
๐ Website: www.atcs.lk
๐ Location: Nugegoda, Colombo
Inland Revenue Department - Sri Lanka ATC Corporate
14/08/2026
๐๐ธ๐ โ๐ผ๐๐โ๐ป๐ผโ โ ๐/๐ธ ๐๐๐๐/๐๐๐๐
โฐ Due Date: 15th August 2026
Donโt miss your 1st Installment of Income Tax deadline for Y/A 2026/2027.
โ
Corporate Income Tax
โ
Individual Income Tax
โ
Partnership Income Tax
โ
Statement of Estimated Tax (SET)
โ
APIT Payment โ July 2026
โ
AIT/WHT on Interest
โ
AIT/WHT on Fees & Others
๐ File on time. Stay compliant!
Need professional assistance with your tax obligations?
Our Services:
๐น Tax Consultancy
๐น Bookkeeping Services
๐น Financial Consultancy
๐น Audit & Assurance
๐น Investment Advisory Services
๐ 011 281 8269 | 070 300 7831 | 071 521 7978
๐ง [email protected]
๐ www.atcs.lk
๐ Nugegoda, Colombo
Inland Revenue Department - Sri Lanka ATC Corporate
09/08/2026
๐ข IMPORTANT TAX UPDATE โ QUARTERLY INCOME TAX INSTALMENTS
The Inland Revenue Department (IRD) has issued a Revised Circular on Calculating Quarterly Income Tax Instalments under Section 90 of the Inland Revenue Act No. 24 of 2017 (as amended).
๐ Applicable from Y/A 2026/2027
๐
QUARTERLY INSTALMENT DUE DATES
๐น 1st Instalment: On or before 15 August 2026
๐น 2nd Instalment: On or before 15 November 2026
๐น 3rd Instalment: On or before 15 February 2027
๐น 4th Instalment: On or before 15 May 2027
๐งฎ HOW IS THE INSTALMENT CALCULATED?
The quarterly instalment is calculated using:
(A โ C) รท B
Where:
A โ Tax payable on taxable income for the immediately preceding Year of Assessment
B โ Number of instalments remaining, including the current instalment
C โ Tax already paid/credited during the current year, including previous instalments, WHT and AIT credits.
โ ๏ธ Important: Underpayment, late payment or non-payment may result in interest and penalties.
๐ผ Need professional assistance?
Let ATC Corporate assist you with your tax obligations, bookkeeping, financial consultancy, audit & assurance, and investment advisory services.
๐ 011 281 8269 | 070 300 7831 | 071 521 7978
๐ง [email protected]
๐ www.atcs.lk
๐ Nugะตะณoda, Colombo
Inland Revenue Department - Sri Lanka ATC Corporate
06/08/2026
โฐ โ๐๐๐๐๐๐๐ฃ: ๐น๐๐ฅ๐ฅ๐๐๐ & ๐พ๐๐๐๐๐ ๐พ๐ฃ๐ ๐ค๐ค โ๐ ๐๐๐๐๐ฅ๐๐ ๐ โ๐๐ช๐๐๐๐ฅ โ ๐๐ฆ๐๐ช ๐๐๐๐
The deadline for the Betting & Gaming Gross Collection Payment (18% of Turnover) is 7th August 2026.
Stay compliant by submitting your payment on time and avoid unnecessary penalties. Whether you need assistance with tax compliance, bookkeeping, financial consultancy, audit & assurance, or investment advisory, our experienced professionals are here to support your business every step of the way.
๐ Contact ATC Corporate
โ๏ธ 011 281 8269 | 070 300 7831 | 071 521 7978
๐ Nugegoda, Colombo
๐ง [email protected]
๐ www.atcs.lk
Inland Revenue Department - Sri Lanka ATC Corporate
05/08/2026
๐ข IRD TAX UPDATE 2026
Quarterly Income Tax Instalment Calculation โ New Circular
The Inland Revenue Department has issued Circular No. SEC/2026/E/06 explaining the method for calculating Quarterly Income Tax Instalments under Section 90 of the Inland Revenue Act, No. 24 of 2017 (as amended).
๐
Applicable From
Year of Assessment 2026/2027 onwards
๐ Quarterly Due Dates
โ
1st Instalment โ On or before 15 August
โ
2nd Instalment โ On or before 15 November
โ
3rd Instalment โ On or before 15 February
โ
4th Instalment โ On or before 15 May (following year)
๐งฎ New Calculation Formula
Quarterly Instalment = (A โ C) รท B
Where:
A = Gross Income Tax payable for the immediately preceding Year of Assessment (before tax credits)
B = Number of instalments remaining (including the current instalment)
C = Total tax already paid or available as credits before the instalment due date, including:
Previous instalment payments
Advance Income Tax (AIT)
Withholding Tax (WHT)
Eligible Foreign Tax Credits
โ ๏ธ Important
โ Ensure your quarterly tax instalments are calculated accurately.
โ Make payments before the statutory due dates to avoid penalties and interest.
โ Review the new IRD Circular and consult your tax advisor if required.
Need Professional Tax Assistance?
ATC Corporate Services (Pvt) Ltd
๐ 011 281 8269 | 070 300 7831 | 071 521 7978
๐ Nugegoda, Colombo
๐ง [email protected]
๐ www.atcs.lk
Inland Revenue Department - Sri Lanka ATC Corporate
01/08/2026
๐ฒ ๐น๐๐ฅ๐ฅ๐๐๐ & ๐พ๐๐๐๐๐ ๐๐๐ฉ ๐๐๐ ๐จ๐๐๐๐๐ โ ๐๐ฅ๐๐ช โ๐ ๐๐ก๐๐๐๐๐ฅ, ๐๐ฅ๐๐ช ๐ธ๐๐๐๐ ๐
Operating a betting or gaming business in Sri Lanka comes with important tax responsibilities. Understanding your obligations helps you avoid penalties, maintain compliance, and build a sustainable business.
Key tax areas every betting & gaming business should know:
โ
Gaming Tax (Turnover Tax)
โ
Inland Revenue Tax (Income Tax)
โ
Value Added Tax (VAT)
โ
Withholding Tax (WHT)
At ATC Corporate, we provide professional tax advisory, bookkeeping, audit, financial consultancy, and compliance support tailored to your business.
๐ Contact us today for professional assistance.
๐ Nugegoda, Colombo
๐ 011 281 8269 | 070 300 7831 | 071 521 7978
๐ง [email protected]
๐ www.atcs.lk
25/07/2026
๐ ๐๐ธ๐ ๐๐๐ ๐จ๐๐๐๐๐ โ ๐๐ฃ๐ ๐๐๐๐๐ ๐ฑ๐ฐ
Understanding Value Added Tax (VAT) is essential for every business. Staying compliant with VAT regulations helps your business avoid penalties, maintain accurate financial records, and build credibility.
Key VAT Facts:
โ
Standard VAT Rate: 18%
โ
VAT applies to the supply of taxable goods and services and the importation of goods.
โ
Businesses exceeding the VAT registration threshold must register with the Inland Revenue Department (IRD).
โ
Eligible exports and certain specified supplies may qualify for 0% VAT.
At ATC Corporate, our team of Professional Tax Consultants & Chartered Accountants is ready to assist you with:
โ VAT Registration
โ VAT Return Filing
โ VAT Advisory & Compliance
โ VAT Audits & Tax Planning
โ Bookkeeping & Accounting Services
๐ Call: 011 281 8269 | 070 300 7831 | 071 521 7978
๐ Location: Nugegoda, Colombo
๐ง Email: [email protected]
๐ Website: www.atcs.lk
Stay compliant today and build a stronger business for tomorrow.
Inland Revenue Department - Sri Lanka ATC Corporate