What should I do if I have followed the steps given in the answers to the questions above but still experience errors?

Email the following details to ais@iras.gov.sg:
- Date and time you encountered problems;
- The operating system you are using (e.g. Microsoft Windows 10, macOS High Sierra, etc.)
- The browser type and version number (e.g. Internet Explorer 11, Google Chrome Version 61.0.3163.100, etc.)
- The error messages you encountered, or screenshot of the errors encountered (if available)
Alternatively, you may contact us on 1800 356 8015, from 8am to 5 pm, from Mon to Fri (excluding Public Holidays) for assistance.
This information is sourced from IRAS
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