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Singapore’s IRAS clarified GST return and payment deadlines: returns are due one month after each accounting period, with uniform filing deadlines for both GIRO and non-GIRO taxpayers to ensure compliance.
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GIRO payments are deducted on the 15th of the month following the standard deadline, e.g., May 15 for January–March, August 15 for April–June, November 15 for July–September, and February 15 for October–December periods.
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Non-GIRO taxpayers must pay by specific dates: April 30, July 31, October 31, and January 31. Extensions require requests at least five working days before the deadline to avoid penalties.
Source: GVC
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