[NOTICE]: Please note that from 11 April 2021, you will be required to login to government digital services for businesses (G2B) using SingPass instead of CorpPass. For more information, visit go.gov.sg/corporate-login. [SCHEDULED MAINTENANCE]: There will be an ad hoc maintenance on 2nd November 2024 (Full Day). All API services are unaffected except CorpPass Authenticated APIs. Subscribers are expected to experience some intermittent disruption when performing CorpPass Authentication. Should you have any further queries, kindly reach out to digital_partnerships@iras.gov.sg. Weekly Maintenance Hours (Singapore Time): Everyday 1:00 PM – 3:00 PM | Monday to Saturday 8:00 PM – 10:00 PM | Sunday 8:00 PM - 3:00 AM Singpass & Corppass Maintenance Hours (Singapore Time): Every Wednesday 3:00 PM – 11:59 PM |