- The GST InvoiceNow Requirement is outlined here.
- IRAS will notify GST-registered businesses that were registered before 2026 of their mandatory implementation date by mid-2026.
- Existing GST-registered businesses can use the GST InvoiceNow Implementation Date Calculator to find their applicable implementation date.
Source: iras.gov.sg
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.
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