If you had wrongly declared your net trade income (NTI) to the Inland Revenue Authority of Singapore (IRAS)
If you need to make changes after filing your Income Tax Return with IRAS, please refile your return at
myTax Portal using your Singpass within seven days of your previous submission or by 18 April, whichever is earlier. If you miss this deadline to refile your returns, please visit the IRAS website at
www.iras.gov.sg, call them at 1800-356 8300, or write to them via myTax Mail on
myTax Portal using your Singpass.
[For Work Year 2022 or earlier] If you had wrongly declared your NTI to CPF Board
Once CPF Board has received your revised income declaration, you can check your updated NTI records by logging in to the
self-employment dashboard with your Singpass.