Ultimate Guide to Sending Your First InvoiceNow via Peppol (with WLP Tips)
InvoiceNow is Singapore’s nationwide electronic invoicing initiative built on the global Peppol standard. It enables businesses to exchange structured e-invoices directly between accounting systems, make GST compliance easier, and accelerate payment cycles by eliminating manual data entry.
As Singapore transitions further into digital business operations, properly implementing InvoiceNow can give your company a major edge — especially with expert support like WLP to help guide setup and compliance.
What Is InvoiceNow and Why It Matters
InvoiceNow lets businesses send e-invoices that go straight from your accounting software into your customer’s system through the Peppol network — a secure and standardised channel that eliminates PDF attachments and manual entry.
When both you and your trading partner are on Peppol — each with a valid Peppol ID — invoices are delivered directly and digitally, which reduces errors and helps you get paid faster.
Step-by-Step Instructions: Sending Your First InvoiceNow
Here’s a structured workflow you can follow:
Get to Know the InvoiceNow Framework
Before you begin, understand that InvoiceNow is part of the Peppol e-invoicing standard. It’s designed to ensure secure, structured transmission of invoice data between businesses with minimal manual intervention.
Choose an InvoiceNow-Ready Accounting Solution
To exchange e-invoices on InvoiceNow, your business must use software that supports Peppol. Many accounting platforms and cloud systems are already Peppol-ready, enabling seamless integration with the InvoiceNow network.
Tip: Consult with a provider like WLP to choose the best solution for your business size and needs — from simple invoicing to full ERP-level integration.
Register for Your Peppol ID
Your Peppol ID uniquely identifies your business on the e-invoicing network. Typically, the accounting or solution provider will help you register it based on your Unique Entity Number (UEN) in Singapore.
Activate the GST Submission Feature
Once your InvoiceNow-ready solution is connected, switch on the GST InvoiceNow submission function — this enables automated transmission of invoice data to the Inland Revenue Authority of Singapore (IRAS) where required.
Create & Send Your First Invoice
Now you’re ready to issue an InvoiceNow e-invoice:
- Log into your accounting or finance system.
- Prepare a new invoice with full details: supplier and buyer info, invoice number, dates, descriptions, GST amounts, etc.
- Enter the recipient’s Peppol ID to route the invoice correctly.
- Double-check all fields.
- Send the invoice — it will transmit securely through the Peppol network straight to the recipient’s system.
Confirm Delivery & Maintain Records
After sending:
- Ensure the recipient has received and acknowledged the invoice.
- Keep accurate records in your accounting system to stay compliant and audit-ready.
Extra Tips for Businesses
Test Early
Run test transmissions before issuing live invoices. This can help you identify any system gaps and ensure everything is configured correctly.
Stay Up-to-Date
InvoiceNow and GST requirements can evolve, so stay informed through official IMDA and IRAS updates. For hands-on advice, working with specialists like WLP can drastically reduce setup time and compliance headaches.
Seek Professional Support
If you get stuck, reach out to your accounting software provider, IMDA-accredited Access Point Provider, or support teams such as those at WLP who understand both compliance and practical implementation challenges.
Start Digitising Your Invoicing Today
Transitioning to InvoiceNow via the Peppol network makes your invoicing more efficient, transparent, and ready for the future of digital business in Singapore. With expert partners like WLP, you can confidently adopt e-invoicing while staying compliant and competitive.