E-invoicing: a complete guide

Unlock the future of financial transactions with e-invoicing: a seamless blend of efficiency, cost savings, and compliance. Discover how your business can thrive in the digital age with our essential guide.

Embracing digital transformation

Digital transformation is reshaping every aspect of business. Companies worldwide are navigating the transition from traditional to digital processes, seeking efficiency, accuracy, and sustainability. Among the many digital practices being adopted by finance departments, e-invoicing is becoming pivotal to modern business practices.   

This comprehensive e-invoicing guide dives into what it is, the benefits and challenges, the global landscape, and how businesses can seamlessly implement electronic invoicing in their digital operations.

Understanding electronic invoicing

What is e-invoicing and how does it work? 

Electronic invoicing, or e-invoicing, refers to the sending and receiving of invoices in a standardized electronic format, allowing direct processing by the recipient's ERP system without manual intervention. This automation speeds up transactions and minimizes errors that occur in manual processes. 


What is an e-invoice? 

According to the EU’s e-invoicing directive (2014/55/EU), an 'electronic invoice' is an invoice issued, transmitted, and received in a structured electronic format, such as XML or other structured data formats, which ERP systems can automatically process.  

Despite the name, the term 'e-invoice' is not limited to invoices – it also applies to credit notes and other documents. When asked to send an electronic invoice, sending a traditional invoice as a PDF via email is not sufficient. Below, we'll break down the differences between conventional invoices and e-invoices.   

The difference between traditional invoices and e-invoices 


Traditional invoices 

Traditional invoices require manual data entry, handling, and storage. These manual processes are prone to errors and inefficiencies. Traditional invoices have three integrated characteristics:  

  • Contain detailed data such as amounts, descriptions, and quantities  
  • Render data in a visual format on printed paper for manual reading  
  • Possess a physical form for manual handling and exchange  

Digital invoices, such as PDFs and digital images, are more efficient as they remove the aspect of physical handling. However, they still require manual viewing and data entry.  


Electronic invoices 

E-invoices eliminate the need for physical handling, reducing storage and processing inefficiencies. To qualify as an e-invoice, the document needs to be:   

  • Created with the correct structure 
  • Transferred from the seller’s system to the buyer’s system 

Electronic invoices don't primarily include a visual presentation of data, though they can be rendered visually for checks or transposed into visual formats. The aim is system-to-system communication, with the visual format being secondary. E-invoices are not: 

  • Unstructured invoice data in PDF or Word formats 
  • Images of invoices such as JPG or TIFF files 
  • Unstructured HTML invoices found on web pages or in emails 
  • OCR (scanned paper invoices) that still require manual data extraction 
  • Paper invoices transmitted digitally, such as via fax machines 
Traditional vs. electronic invoice

Traditional vs. electronic invoice

B2B and B2G e-invoicing 

Electronic invoicing is versatile, allowing various types of transactions, including Business-to-Business (B2B) and Business-to-Government (B2G). Each type presents unique requirements and benefits:  

B2B electronic invoicing
B2B e-invoicing streamlines the exchange of invoices between companies, enhancing efficiency and reducing errors. Adopting this invoicing method in B2B relationships often leads to improved payment times and stronger supplier-buyer relationships.

B2G electronic invoicing
B2G e-invoicing involves transactions between businesses and government entities. Many governments worldwide are mandating this secure invoicing method for public procurement to enhance transparency, efficiency, and compliance. This requires businesses that deal with government contracts to adopt e-invoicing solutions compliant with specific government standards.

Common e-invoicing formats and standards 

In electronic invoicing, many formats and standards exist, each designed to facilitate seamless and standardized electronic data exchange between businesses. Understanding these formats ensures compatibility and compliance across different systems and regions. 

Developed by OASIS, UBL (Universal Business Language) is one of the most widely adopted standards, designed to provide a generic XML-based framework that can be applied across various business transactions, including invoicing. 

EDIFACT (Electronic Data Interchange for Administration, Commerce, and Transport) is an international standard that defines a set of syntax rules for structuring data, widely used for cross-border transactions. 

ANSI X12 is a set of standards that define how documents should be structured and formatted for electronic exchange, covering a wide range of industries and transactions. 

Peppol (Pan-European Public Procurement Online) is a standard and a network that facilitates e-procurement and e-invoicing across Europe and beyond. It allows governments and businesses to exchange electronic documents over its network, using a standardized format. 

What are the most common formats for different regions?


E-Invoice (Estonia) 

EDIFACT or UN/EDIFACT (Europe and Asia)

FacturaE (Spain) 

Factur-X (France)

FatturaPA (Italy)

Finvoice, TEAPPSXML (Finland)

ISDOC (Czech Republic) 

PEPPOL (EU, Australia, New Zealand, Singapore, Canada, USA) 

NemHandel/OIOUBL (Denmark) 

Svefaktura (Sweden) 

Tradacoms (UK) 

UBL-OHNL (The Netherlands) 

X12 (USA) 

XRechnung (Germany) 


Solutions like Continia Document Capture and Continia Document Output allow you to exchange invoices seamlessly via the Peppol eDelivery Network. These solutions also ensure easy e-invoicing across multiple formats, allowing businesses to send and receive invoices regardless of the preferred format. 

The global landscape of e-invoicing

Electronic invoicing around the world

Invoicing requirements vary significantly across different countries and regions, influenced by efforts to improve efficiency, transparency, and tax compliance. Businesses must stay informed about the e-invoicing regulations in their respective regions and industries. Compliance is not just about adhering to mandates, but also leveraging the advantages this invoicing method offers in terms of efficiency, accuracy, and cost savings. 


The EU has taken significant steps toward electronic invoicing, especially in public procurement, with the EU Directive 2014/55/EU mandating e-invoicing in B2G transactions. Some individual member states are enforcing regulations to extend these requirements to B2B transactions.

Latin America

Latin America is recognized as the leading example worldwide. Countries like Brazil and Mexico have some of the strictest e-invoicing laws, requiring businesses to comply with specific formats and standards for both B2B and B2G transactions, often as part of tax reporting requirements. 

Middle East

E-invoicing is on the rise in the Middle East, with nations adopting it to boost fiscal transparency and update financial processes. Saudi Arabia leads with a comprehensive mandate, while the UAE targets B2B e-invoicing by 2026. Bahrain and Oman are gearing up for it, and Egypt expects a complete adoption by 2024.


Australia is pushing for mandatory B2B e-invoicing and has set a phased adoption strategy, while New Zealand is focusing on B2G electronic invoicing with a plan to expand to B2B. Fiji has taken a gradual approach with electronic fiscal devices (EFDs) and is offering incentives for early adoption. 


Nigeria, Kenya, and Uganda are advancing in e-invoicing to improve tax compliance. Nigeria uses an Automated Tax Administration System and a Cross-Border electronic invoicing program. Kenya requires VAT businesses to report e-invoices through the Tax Invoice Management System, while Uganda's system covers various transactions. 

North America

The United States and Canada do not have a federal mandate for e-invoicing, although there's a growing trend towards electronic invoicing in B2G and B2B transactions driven by efficiency and cost savings. 


The adoption of e-invoicing in Asia varies, with countries like Singapore and South Korea implementing initiatives to improve efficiency and combat tax evasion. 

The benefits and challenges of e-invoicing

The benefits of electronic invoicing

E-invoicing is a smart move for any business looking to streamline operations and cut costs. By switching to electronic invoices, companies can enjoy a range of benefits that impact everything from day-to-day efficiency to long-term sustainability goals. Let's dive into the key advantages that this method of invoicing offers, from operational efficiency to enhanced security.

Operational efficiency

E-invoicing streamlines the entire invoicing process, from creation to payment, reducing manual tasks and transaction cycle time. This efficiency accelerates business operations and enhances relationships with trading partners. 

Improved compliance

Adopting e-invoicing improves compliance with regulatory requirements, as governments worldwide are mandating it to enhance financial transparency and combat tax fraud.   

Enhanced security

The transition to digital invoicing has brought new opportunities for data breaches and fraud – e-invoicing reduces human intervention, ensuring that sensitive data is exchanged securely.   

Lower environmental impact

E-invoicing aligns with businesses' sustainability goals by eliminating paper and reducing the carbon footprint associated with paper-based invoicing. 

Increased accuracy

Reduced human intervention minimizes errors that occur in manual invoicing processes, ensuring more accurate financial data. 

Cost reduction

Transitioning to e-invoicing significantly reduces costs, such as paper-based processes, postage, and manual labor. 

Overcoming e-invoicing challenges 

Integration with existing systems 

Integrating electronic invoicing systems with existing accounting and ERP software can be complex, leading to compatibility issues. Selecting flexible e-invoicing solutions that offer robust integration capabilities is crucial. Opt for software solutions, such as those offered by Continia, that support a wide range of standards and provide customizable options to ensure seamless integration with your existing infrastructure. 


Adapting to regulatory changes 

Staying informed on evolving regulations and ensuring compliance can be demanding. Leverage electronic invoicing platforms that are designed to comply with international standards and are regularly updated to reflect the latest regulatory changes. This approach ensures compliance and reduces the administrative burden associated with manual updates. 


Navigating cost implications 

Initial setup costs and ongoing expenses can be a concern, particularly for small and medium-sized enterprises (SMEs). Consider e-invoicing solutions that offer scalable pricing models, allowing you to start small and expand as your needs grow. Focusing on long-term savings and efficiency gains can also help justify the initial investment. 

Preparing for the future of invoicing 

The role of e-invoicing in digital transformation 

The shift towards e-invoicing is integral to the broader digital transformation affecting businesses worldwide. With its numerous benefits, this method of invoicing streamlines financial operations and contributes to a more sustainable and compliant business practice.  

Electronic invoicing stands at the forefront of the digital transformation in financial operations, offering a path to increased efficiency, compliance, and insight into business transactions. With the backing of regulations such as the EU's e-invoicing directive, adoption is set to accelerate, making it an essential strategy for businesses aiming to thrive in the digital age. 

Streamlined e-invoice exchange for better financial operations

Electronic invoicing is a strategic imperative for businesses aiming for efficiency, compliance, and sustainability in their financial transactions. The transition to e-invoicing represents a significant step forward in embracing digital processes, offering tangible benefits such as operational efficiencies, cost reductions, and enhanced accuracy in financial operations.  

While challenging, the journey towards fully integrating e-invoicing into your business operations is made smoother with the right partners and solutions. Microsoft Dynamics 365 Business Central users can benefit from solutions like Continia Document Capture and Continia Document Output, which ensure seamless invoice exchange via the Peppol eDelivery Network and compatibility with various global e-invoicing formats.     

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Frequently asked questions

  • What is e-invoicing?

    E-invoicing, or electronic invoicing, streamlines the billing process by allowing businesses to send and receive invoices electronically, directly from one financial system to another. This approach eliminates the need for paper-based invoices, reducing errors, cutting costs, and speeding up the payment cycle. By adopting electronic invoicing, companies enhance efficiency, improve cash flow, and strengthen compliance with regulatory requirements. 

  • How does e-invoicing work?

    Electronic invoicing automates the invoice exchange process, allowing businesses to send and receive structured digital invoices directly through their financial systems. This automation reduces manual intervention, streamlines transactions, and expedites payments, significantly improving business efficiency and financial liquidity. 

  • What is an e-invoice?

    An electronic invoice is the digital counterpart of a paper invoice, featuring essential transaction details formatted for automatic processing by financial systems. This facilitates a more efficient, accurate, and eco-friendly approach to managing transactions, enhancing business operations, and supporting environmental sustainability. 

  • How do you create an e-invoice?

    To create an e-invoice, select a compatible electronic invoicing platform that seamlessly integrates with your existing accounting software. Input transaction details such as service dates, amounts, and descriptions into the platform. The e-invoicing system then formats this information into a structured, digital format ready for electronic processing. This streamlined approach not only optimizes your invoicing process but also guarantees precision and accelerates the receivables cycle. 

  • Is e-invoicing mandatory?

    Electronic invoicing mandates vary globally, with some countries requiring it for tax compliance and anti-fraud measures. Check with your local tax authority to understand if e-invoicing applies to your business. Compliance ensures legal conformity and operational continuity, positioning your business for success in a digitally evolving marketplace. 

  • What is Peppol e-invoicing?

    Peppol e-invoicing facilitates secure, standardized electronic document exchange across Europe and globally. It enables businesses and governments to exchange e-invoices and other documents over its secure network, ensuring interoperability and compliance with international standards. Adopting Peppol electronic invoicing allows companies to expand their market reach, streamline operations, and engage in cross-border transactions with greater ease and reliability.