E-Invoicing in Luxembourg: State of Play and Perspectives

The Grand Duchy, Pioneer of Electronic Invoicing in Europe

Luxembourg has positioned itself as one of the most advanced countries in terms of administrative digitalisation in Europe. With the entry into force of the electronic invoicing obligation for public procurement in March 2023, the country has taken a major step towards modernising its commercial transactions with the public sector.

This obligation, which concerns all businesses regardless of their size, is part of the national digitalisation strategy led by the Ministry of Digitalisation. It aims to simplify administrative processes, reduce processing costs and improve the transparency of transactions with the State.

For local businesses, understanding the current framework and anticipating future developments is essential to remain competitive and compliant. This article offers you a complete overview.

The Current Regulatory Framework: B2G Mandatory Since March 2023

Since March 2023, any business invoicing a public body must issue its invoices in structured electronic form. This obligation applies without distinction of size: whether you are a large company, an SME or a self-employed worker, you must comply with this requirement.

Invoices must comply with the European standard EN 16931, which defines the semantic format of electronic invoices. Concretely, this means that invoices can no longer be simple PDFs sent by email. They must be transmitted in a structured format, readable by machines, such as the UBL 2.1 format used in the Peppol network.

The two officially authorised channels for transmitting electronic invoices to public entities are:

• The Peppol network: via a compliant solution like Peppol Box
• MyGuichet.lu: the government online platform

These two channels guarantee the conformity of transmitted invoices and their proper reception by public administrations.

Key Institutional Players

Several institutions play a central role in the deployment of electronic invoicing here:

• Ministry of Digitalisation: leads the national digital transformation strategy and coordinates initiatives related to e-invoicing
• Guichet.lu: administrative portal offering the MyGuichet.lu platform for submitting electronic invoices
• Chamber of Commerce: accompanies businesses in their digital transition and offers training and resources
• Administration des Contributions Directes (ACD): supervises the tax aspects related to invoicing, particularly VAT compliance

These institutions collaborate to offer a coherent and accessible framework for businesses of all sizes.

B2B: Not Yet Mandatory, But a Strong Trend

Unlike the B2G sector, electronic invoicing between businesses (B2B) is not yet mandatory in the country. No official date has been announced to date for such an obligation.

However, several factors are pushing local businesses to voluntarily adopt electronic invoicing in B2B:

• Efficiency gains: reduction of payment times, decrease in data entry errors, automation of accounting processes
• Competitive pressure: businesses already equipped with e-invoicing offer a better experience to their customers and suppliers
• European trend: the ViDA directive (VAT in the Digital Age) of the European Union provides for a progressive generalisation of electronic invoicing
• Neighbouring obligations: Belgium, France and Germany are progressively generalising electronic invoicing, which impacts businesses with cross-border partners

Anticipating this transition allows for advantageous positioning. A solution like Peppol Box enables a simple start, without waiting for a legal obligation.

The Concrete Benefits of Electronic Invoicing

Beyond regulatory compliance, electronic invoicing offers tangible benefits for businesses:

1. Cost reduction: saving on paper, printing, postage and physical archiving
2. Processing speed: an electronic invoice is transmitted and received in seconds, compared to several days by post
3. Fewer errors: the structured format eliminates manual data entry errors
4. Better traceability: real-time tracking of invoice status
5. Enhanced VAT compliance: structured data facilitates tax declarations and ACD controls

For SMEs in the Grand Duchy, these benefits translate into a significant improvement in cash flow and a reduction in administrative burden.

Available Financial Aid

The State actively supports business digitalisation through the SME Packages Digital programme, managed by the Ministry of the Economy. This programme offers a subsidy covering up to 70% of costs for SME digital transformation projects, including the adoption of electronic invoicing solutions like Peppol.

This financial aid significantly reduces the entry barrier for small and medium-sized businesses wishing to equip themselves with a Peppol solution like Peppol Box.

How to Prepare Now

Whether you are already concerned by the B2G obligation or want to anticipate a future B2B obligation, here are the recommended steps:

1. Evaluate your invoice volume and identify your public and private partners
2. Choose a transmission channel: Peppol via a compliant solution or MyGuichet.lu
3. Select a solution adapted to your size and needs
4. Train your teams on new processes
5. Explore SME Packages Digital aids to reduce your costs

Peppol or MyGuichet.lu: Which Channel to Choose?

MyGuichet.lu is well suited for occasional sendings to the public sector. Peppol Box becomes particularly useful when you have regular flows, multiple customers, an accountant or a fiduciary, or an automation need.

With Peppol Box, you also benefit from a complete invoicing software: invoice creation, sending, receiving, tracking and accounting export in a single tool.

For Whom?

Electronic invoicing via Peppol concerns a wide range of players in Luxembourg:

• SMEs regularly invoicing the public sector or businesses
• Self-employed workers wishing to simplify their invoicing and accounting
• Fiduciaries that centralise their clients' invoices
• Regular suppliers to the public sector for whom the B2G obligation already applies
• Foreign companies invoicing Luxembourg entities via Peppol