- The e-Tax Guide explains the requirement for GST-registered businesses to transmit invoice data to IRAS using InvoiceNow solutions via the InvoiceNow network.
- The guide is relevant for businesses required to comply with the GST InvoiceNow Requirement and those interested in early adoption.
- Technical documents for system architects, software developers, and IT support personnel are available in IMDA’s InvoiceNow Technical Playbook.
- GST-registered businesses must use InvoiceNow solutions to send invoice data directly to IRAS, starting with new voluntary GST registrants.
- The phased adoption aligns with international trends and follows a pilot conducted between September 2020 and June 2023.
- Implementation timeline:
- From 1 November 2025: Newly incorporated companies registering for GST voluntarily.
- From 1 April 2026: All new voluntary GST-registrants, regardless of incorporation date or business constitution.
- A soft launch will begin on 1 May 2025 for existing GST-registered businesses wishing to be early adopters.
- Adopting InvoiceNow aids businesses in fulfilling GST responsibilities, improving record-keeping, billing, and payment processes.
- Plans are in place to progressively implement the requirement for all GST-registered businesses, with ongoing consultations and feedback reviews.
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.