IRAS is a secure, personalised online tax portal for managing Singapore tax matters. Individuals can use it to file and amend income tax returns, view tax bills and notices, check account summaries, manage GIRO payment plans, make tax payments, review employment income information, and correspond securely through myTax Mail.

Businesses and authorised tax agents can access digital services for corporate income tax, estimated chargeable income, GST registration and filing, tax assessments, notices and letters, document submissions, Certificate of Residence applications, payment management, company profile updates, and other tax-related transactions. Access is available through supported government authentication methods, including Singpass and Corppass, depending on the user and service. IRAS provides a centralised way to complete tax e-filing, review tax records, submit applications, and manage tax obligations online.

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