Separate login from business authority
Since April 2021, users sign in to government business services through Singpass while Corppass remains the authorisation system. IRAS lists separate filing/application and payment permissions for corporate tax, GST and property tax, as well as dedicated S45, Form P, IR21, employment-income, donation and AEOI permissions. Having a login does not by itself give access to every tax account or function.
Select roles for the required transaction
The administrator should map each user or third party to the services needed. Approver-only tasks include certain notice-preference updates and approval or submission functions. Some transactions require more than one service assignment, such as the stated corporate penalty-waiver or extension function. Consult the official mapping and step-by-step guide when establishing company, tax-agent or foreign-entity access. The table also contains legacy scheme functions; their presence does not establish that a scheme is still open for new qualifying expenditure.
Official source
A concise, independent Apex Gateway guide based on the official English source, not a reproduction of the complete document. Consult the original for full conditions, exceptions and subsequent updates.
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