Entity Setup
InvoiceNow Mandate: Preparing for Singapore’s E-Invoicing Push by 2031
Every GST-registered business in Singapore will soon be required to send invoice data via InvoiceNow—learn the rollout schedule, preparation tips, and how to avoid compliance pitfalls.
By NomadicTax Research Team • 5-8 min read • August 12, 2026
## What Is InvoiceNow & Why It Matters
InvoiceNow is Singapore’s national e-invoicing platform based on the **Peppol** standard. It allows businesses to send digital, structured invoices directly through a network approved by IRAS and IMDA. One of the goals is to reduce manual processing, errors, and speed up GST audits/refunds.([iras.gov.sg](https://www.iras.gov.sg/news-events/newsroom/committee-of-supply-2026--extension-of-gst-invoicenow-requirement-to-all-gst-registered-businesses-by-april-2031?utm_source=openai))
## Mandate Rollout Timeline
IRAS is extending the requirement to adopt InvoiceNow to **all GST-registered businesses** by **April 2031**, following a phased approach:([iras.gov.sg](https://www.iras.gov.sg/news-events/newsroom/committee-of-supply-2026--extension-of-gst-invoicenow-requirement-to-all-gst-registered-businesses-by-april-2031?utm_source=openai))
- **1 April 2026**: New voluntary GST registrants must submit invoice data via InvoiceNow, regardless of business structure.
- **1 April 2028**: Apply to all new compulsory GST registrants and existing GST-registered businesses with annual supplies ≤ SGD $200,000.
- **1 April 2029**: Extend to existing businesses with annual supplies ≤ SGD $1 million.
- **1 April 2030**: For businesses with annual supplies ≤ SGD $4 million.
- **1 April 2031**: All remaining GST-registered businesses (larger scale) to comply.
## What Businesses Need to Do
- **Assess your business’s supply level**: Determine which phase you fall into based on annual supplies.
- **Choose or adopt an InvoiceNow-ready solution**: SME grant-funded tools are available; larger businesses may need more robust systems.([iras.gov.sg](https://www.iras.gov.sg/news-events/newsroom/committee-of-supply-2026--extension-of-gst-invoicenow-requirement-to-all-gst-registered-businesses-by-april-2031?utm_source=openai))
- **Budget onboarding costs**, apply for **transitional funding**: up to SGD $1,000 for SMEs, up to SGD $5,000 for larger businesses.([iras.gov.sg](https://www.iras.gov.sg/news-events/newsroom/committee-of-supply-2026--extension-of-gst-invoicenow-requirement-to-all-gst-registered-businesses-by-april-2031?utm_source=openai))
- **Train staff** for process changes: structured invoice formats, matching, reconciliation.
## Compliance Risks & Benefits
- **Risks**: Delayed onboarding could cause non-compliance, slower GST refunds or issues during audits.
- **Benefits**: Faster invoice processing, more accurate data for GST reporting, potentially improved cash flow due to earlier refunds, lower audit risk.
## Case Example
A GST-registered small bakery with SGD $180,000 annual supplies kicks off onboarding early with an InvoiceNow-ready solution in mid-2026. It receives a SGD $1,000 grant, reduces its manual invoice tasks, more quickly reconciles GST-input claims, and by 2028 meets compliance ahead of peers.
## Action Plan for 2026-2031
- ✔ Identify your business’s compliance phase.
- ✔ Secure a software provider or solution certified for InvoiceNow and Peppol.
- ✔ Apply early for government grants to offset cost of system implementation and training.
- ✔ Conduct dry runs with invoice data submission to catch potential technical issues.
- ✔ Communicate with clients and vendors about changes to inbound or outbound invoice formats.
By proactively adopting InvoiceNow, your business can avoid last-minute rush, penalties, or disruptions—and maybe even gain a competitive edge through better efficiency.