Mandatory InvoiceNow reporting announced at COS 2026

At the Ministry of Finance Committee of Supply (COS) Debate 2026, the Singapore Government and Inland Revenue Authority of Singapore (IRAS) announced that all GST‑registered businesses will be required to use InvoiceNow to transmit invoice data directly to IRAS. InvoiceNow reduces manual processing and errors, shortens payment cycles and improves tax compliance. The announcement extends the existing requirement, which currently applies to new voluntary GST registrants, to all GST‑registered businesses and lays out a phased implementation schedule.

InvoiceNow implementation timeline (2028–2031)

The rollout will occur in stages based on businesses’ annual supplies:

1 April 2028 – Small businesses and new compulsory registrants

New compulsory GST registrants & existing businesses with total annual supplies ≤ S$ 200 000.

1 April 2029 – Businesses with annual supplies ≤ S$1 million

Existing GST‑registered businesses with total annual supplies ≤ S$ 1 million.

1 April 2030 – Businesses with annual supplies ≤ S$4 million

Existing GST‑registered businesses with total annual supplies ≤ S$ 4 million.

1 April 2031 – Businesses with annual supplies above S$4 million

Existing GST‑registered businesses with total annual supplies > S$ 4 million.

Earlier requirements for voluntary GST registrants (2025–2026)

Newly incorporated companies that voluntarily register for GST within 6 months of incorporation have been required to transmit invoice data via InvoiceNow since 1 November 2025; from 1 April 2026 all new voluntary registrants must do so regardless of incorporation date.

Impact on GST-registered businesses

The phased rollout confirms that Singapore’s e‑invoicing mandate is expanding from new voluntary registrants to all GST‑registered businesses.

Transitional grants and government support

The Government is offering transitional funding to ease onboarding: grants of up to S$ 1 000 for small and medium‑sized enterprises (SMEs) and up to S$ 5 000 for larger businesses.

Preparation steps before mandatory InvoiceNow reporting

Key considerations for affected businesses include:

• Assessing their annual supplies to determine which phase applies and preparing for the relevant onboarding date.
• Preparing ERP and billing systems for integration with InvoiceNow by working with accredited solution providers; SMEs can tap free solutions and training.
• Allocating time for testing before the phase’s go‑live date and applying for transitional grants early to offset costs.
• Recognizing that early adoption may yield benefits such as reduced processing time, improved cash flow and faster GST audits and refunds.

Compliance risks from delayed preparation

With enforcement dates starting in April 2028 and finalized by April 2031, businesses that delay preparation may face operational disruptions or compliance penalties once InvoiceNow submission becomes mandatory. Companies should begin readiness assessments now to ensure their invoicing processes align with the new regulatory requirements and to take advantage of available support.

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