International Tax Enquiries

On this page:

Frequently asked questions

IRAS Common Reporting Standard FAQ (PDF, 447KB)
IRAS FAQs on FATCA (PDF, 484KB)

Useful resources

Please refer to the following guides as you may be able to find the information you need:

CRS

	CRS Registration and deregistration webpage – for details on registration and deregistration process CRS Filing webpage - for details on identifying reportable accounts and the reporting process
	IRAS Common Reporting Standard e-Tax Guide (PDF, 930KB) IRAS CRS Compliance Guidelines e-Tax Guide (PDF, 532KB) IRAS CRS File and Record Level Validations (PDF, 234KB)

FATCA

	FATCA Registration and deregistration webpage – for details on registration and deregistration process FATCA Filing webpage - for details on identifying reportable accounts and the reporting process
	IRAS FATCA e-Tax Guide (PDF, 1,168KB) IRAS FATCA File and Record Level Validations (PDF, 239KB)

Send an enquiry

For taxpayers and tax agents with Singpass, SFA, or Corppass access:

Taxpayers and tax agents with Singpass, Singpass Foreign user Account (SFA), or Corppass access are to use myTax Mail on myTax Portal, IRAS’ secure email channel, for written communication with IRAS.

Please note that with effect from 16 Dec 2025, enquiries coming through unauthenticated channels, including online forms, will be responded to via myTax Mail. We appreciate your understanding and look forward to assisting you through myTax Mail.

For added security, email your case-specific enquiries via myTax Mail on myTax Portal using your Singpass, Singpass Foreign User Account (SFA) or Corppass.

If you do not have Singpass, SFA or Corppass, e-mail your general or non-confidential enquiries on Automatic Exchange of Information by clicking on the relevant link: