This guide serves as a comprehensive resource for suppliers of Novartis in Singapore, detailing the Procure-to-Pay (P2P) process. It outlines the steps from the creation of a Purchase Order (PO) to the payment of invoices, emphasizing the importance of adherence to specific procedures to ensure timely payments and compliance with financial regulations, including Sarbanes-Oxley requirements. The document explains the role of the Novartis Global Service Center in Malaysia, which manages supplier invoices and supports the end-to-end P2P processes. Additionally, it provides detailed invoicing guidelines, including required formats, necessary information for invoices, and the process for handling invoice rejections. The guide also highlights the transition to electronic invoicing, which became mandatory in July 2018, and offers contact information for support related to invoice inquiries. Overall, this document is crucial for suppliers to understand Novartis's policies and ensure efficient processing of their invoices.