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This calculator helps you to compute your annual taxable turnover and determine whether you are required to register for GST.


Getting Started

Are you an overseas business checking if you are required to be registered under the Overseas Vendor Registration (“OVR”) Regime?
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Inland Revenue Authority of Singapore
myTax Portal is a secured and personalised portal for you to view and manage your tax transactions with IRAS.


© 2024, Government of Singapore. Last updated on 01 Mar 2024

IRAS 03/03/2024-06P

  • © 2024, Government of Singapore
  • Last updated on 01 Mar 2024
  • IRAS 03/03/2024-06P

About myTax Portal


This application is a service of the Singapore Government.


myTax Portal is a secured, personalised portal for you to view and manage your tax transactions with IRAS, at your convenience.

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