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Tax Calendar 2024

Complete guide to Sri Lankan tax deadlines and filing requirements throughout the year.

Filter by tax type

Month

6 upcoming tax deadlines displayed.

Next deadline

PAYE monthly return

Monthly PAYE return and payment.

PAYE monthly return

PAYE

Monthly PAYE return and payment.

Deadline guidance
15th of the following month
Penalty
Interest at 18% per annum on late payments.

Withholding tax on interest

Withholding tax

Monthly withholding tax on interest payments.

Deadline guidance
Last day of the following month
Penalty
2% per month on outstanding tax.

VAT return (January)

VAT

Monthly VAT return filing and payment.

Deadline guidance
20th of the following month
Penalty
2% per month on outstanding amount.

Quarterly income tax payment

Income tax

First quarter income tax payment for companies and individuals.

Deadline guidance
Last day of the quarter
Penalty
1.5% per month on unpaid amount.

Economic Service Charge payment

Other

Economic Service Charge quarterly payment.

Deadline guidance
April 30, 2024
Penalty
Interest and penalties apply per Inland Revenue Act.

Income tax return filing

Income tax

Annual income tax return filing deadline for individuals and companies.

Deadline guidance
September 30, 2024
Penalty
Late filing penalty of Rs. 10,000 or 1.5% of tax liability, whichever is higher.

Compliance reminders

  • • Public holiday deadlines usually move to the next business day.
  • • Keep proof of submission and payment confirmations for at least five years.
  • • Online filing portals help track acknowledgements and reduce processing delays.

Key compliance checkpoints

Review the most common tax obligations so your team can plan filings and payments in advance.

Income tax

  • • Annual return filing due 30 September
  • • Quarterly self-assessment payments required
  • • Electronic filing recommended for faster processing

VAT

  • • Monthly returns and payments due by the 20th
  • • Registration threshold currently LKR 12M
  • • Maintain supporting documentation for input credits

PAYE

  • • Monthly deductions remitted by the 15th
  • • Issue annual statements to employees
  • • Keep employee tax files aligned with APIT rules

Helpful resources

Deadlines that fall on a public holiday typically roll to the next working day. Confirm final dates with the Inland Revenue Department and keep proof of submission for your records.

Tax Calendar 2024 | Sri Lankan Tax Deadlines | Win Core