[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]: Please note that there will be an upcoming extended maintenance activity on 02 February 2025 02:00AM - 06:00PM SGT & 16 February 2025 02:00AM – 02:30 PM SGT. All API services will be unavailable during this period. Should you have any queries, kindly contact 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 |