GST InvoiceNow 2025: Everything Singapore Businesses Must Know — Deadlines, Benefits, & How to Prepare

The GST InvoiceNow 2025 requirement is transforming how Singapore businesses handle digital invoicing and GST reporting. This guide explains the deadlines, compliance process, exemptions, and available support to help you prepare.

For a comprehensive look at all Singapore GST rules and strategy, see our Ultimate GST Compliance Guide for Singapore Business 2025.


 

GST InvoiceNow 2025 is a digital invoicing initiative for GST-registered businesses in Singapore. Built on the Peppol e-invoicing network, InvoiceNow Singapore 2025 makes it easier to send structured invoice data directly to IRAS for GST reporting. This shift aims to simplify compliance and reduce manual errors.

Need expert guidance on your GST and invoicing setup? Explore our corporate tax services to get tailored advice.


 

Key Deadlines for GST InvoiceNow 2025

  • 1 May 2025: Voluntary early adoption begins for GST-registered businesses.
  • 1 November 2025: Mandatory for new companies registering for GST voluntarily.
  • 1 April 2026: All new voluntary GST registrants must comply.

Missing these dates may result in non-compliance with the Singapore GST InvoiceNow mandate.

 


Who Must Comply & Who Is Exempt?

Most GST-registered businesses in Singapore must follow the InvoiceNow requirements Singapore. However, exemptions include:

  • Overseas entities (including those registered under the Overseas Vendor Registration scheme)
  • Businesses under the Reverse Charge regime

If you have operations across borders, see our cross-border taxation guide for additional compliance considerations.


What Data Must Be Sent?

You must transmit structured invoice data for:

  • Standard-rated supplies (not under reverse charge)
  • Zero-rated supplies
  • Standard-rated purchases with input tax claims

For retail POS sales, data can be grouped and sent monthly. This meets GST e-invoicing Singapore standards.


 

Benefits of GST InvoiceNow 2025

Adopting GST InvoiceNow 2025 offers several benefits:

  • Faster GST refunds
  • Reduced audit risk
  • Streamlined compliance with less paperwork
  • Cost savings due to automation

These benefits make InvoiceNow compliance a smart move for businesses.

Our accounting and tax advisory can help you maximize these benefits and stay audit-ready.


Grants and Support

Grants and support make the switch to InvoiceNow Singapore 2025 easier:

  • LEAD Connect & Transact Grant
  • InvoiceNow Transaction Bonus
  • Productivity Solutions Grant for e-invoicing software
  • One year free InvoiceNow services for new companies via the Accelerate programme

Contact our GST/SST registration and compliance specialists to learn how to access these grants for your business.


How to Comply with GST InvoiceNow 2025 in Singapore

Follow these steps for a smooth transition:

  1. Choose an InvoiceNow-ready solution provider.
  2. Register for a Peppol ID.
  3. Test your invoicing system.
  4. Update your internal processes.
  5. Train your team on InvoiceNow compliance.


 

Common Pitfalls to Avoid

  • Confusing InvoiceNow with regular e-invoicing
  • Waiting too long to upgrade systems
  • Missing out on grants



    The GST InvoiceNow 2025 requirement is a major shift for businesses in Singapore. By knowing the deadlines, understanding the rules, and using available support, you’ll be ready for GST e-invoicing Singapore. Start now to stay compliant and benefit from a smoother, faster invoicing process.

FAQ: GST InvoiceNow 2025

Is GST InvoiceNow 2025 mandatory for all businesses?

It is mandatory for most new voluntary GST-registered businesses from November 2025, and for all new voluntary GST registrants from April 2026. Some exemptions apply.

What are the main benefits of InvoiceNow compliance?

Faster GST refunds, fewer audit risks, easier compliance, and cost savings.

How do I start with GST InvoiceNow 2025?

Select a listed solution provider, register your Peppol ID, and train your staff.

Are grants available to help with transition?

Yes, several government grants and support programs are available.

Disclaimer:
This article is provided for general informational purposes only and does not constitute legal, tax, or financial advice. While we strive to ensure that the information presented is accurate and up to date, regulations and requirements may change. For advice tailored to your business and to ensure full compliance with GST InvoiceNow 2025 requirements, please consult Terra Advisory Services or the relevant government authorities.

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