From 1 Sep 2018, CorpPass will be the only login method for G2B transactions

Other login methods will not be accepted for online corporate transactions with the Government. IRAS digital services will also be available by then. Register for CorpPass now to prevent any disruption to your business transactions!
Retrieve CorpPass / Entity ID
This process will take about 3 minutes to complete.
* - denotes mandatory fields