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Singapore Peppol Business Interoperability Specification (BIS)

Peppol Business Interoperability Specifications (BIS) are developed in Europe for Procurement processes to standardise electronic documents exchanged between sending and receiving Access Points (AP). Singapore has adopted and implemented several documents to help enterprises improve efficiency, reduce cost and stay green by using electronic documents instead of physical documents.

SG Billing

Singapore has adopted and created a specialization of the general PINT Billing specification using the aligned and distinct content to enable Singapore specific requirements.

There are two specifications supported for the billing process which will be mandatory based on the Singapore PINT implementation timeline.

1. PINT-SG Invoice

2. PINT-SG CreditNote

SG Billing

In 2019, Singapore created SG Peppol BIS Billing 3.0 by extending the European Peppol BIS 3.0 to cater for country specific requirements.

Local Tax
• Replacement of VAT(Europe) to Singapore's GST (Goods and Services Tax) and to cater for non-GST registered businesses;
• Specific GST calculation and rounding steps for presenting amount in invoices;
• Update of GST code list values to identify the specific GST categories available for use.
Local Payment
• Singapore specific payment methods such as Direct Debit using GIRO and Credit Transfer using Unique Entity Number (UEN) based on PayNow Corporate.

There are two specifications supported for the billing process:

1. SG Peppol BIS Billing 3.0 Invoice

2. SG Peppol BIS Billing 3.0 CreditNote

Other Documents

Singapore has introduced various documents to the network to meet the country's requirements and assist the enterprises with the digitisation of the procurement processes.

1) SG Peppol BIS Invoice Response 3
(Same as Peppol BIS Invoice Response 3)

The Standard Invoice Response specification enables status update for invoices sent via the Peppol network instead of using manual email notification on the status of the invoices.

2) SG Peppol BIS Order Only 3
(Same as Peppol BIS Order Only 3)

The Order Only BIS enables orders to be sent through the Peppol network. The Order only BIS is a simple process with only an order document being sent from a buyer to a seller. Any response from the seller would be through other communications.

3) SG Peppol BIS Ordering 3 (Same as Peppol BIS Ordering 3)

The Ordering BIS enables orders to be sent through the Peppol network. The Ordering BIS uses the same order document to send an order from a buyer to a seller but with the addition that the seller shall send a response to the buyer to confirm, reject or modify the order.

4) SG Peppol BIS Order Agreement 3 (Same as Peppol BIS Order Agreement 3)

The Order Agreement BIS allows a seller to send an order document to the buyer. In cases when the buyer has submitted an order through a web page, by email or by telephone, This BIS enables to seller to send the order, as received, to the buyer for confirmation and for the buyers reference.

Singapore tax authority (IRAS) has announced that they will leverage InvoiceNow to allow GST-registered businesses to submit invoice data to the IRAS from their invoicing system. To aid system implementations, the technical specification is provided outlining the overall technical design of the invoice data submission process, the type of invoice data required, data packaging specifications and the role of all parties involved (ie Access Points, Service Providers and GST-registered businesses). The technical specification comprises three sub-documents:

1. TX1 – Design Document

2. TX2 – Data Extraction and Transformation (with Annexes)

3. TX3 – Access Point Services (with Annexes)

Archive

2023 May Release (mandatory until 2024-02-25)

2022 November Release (mandatory until 2023-10-20)