Denmark’s long-running effort to digitise business administration is entering a new phase, with authorities now looking beyond mandatory digital bookkeeping and toward wider use of electronic invoicing.
The Danish Business Authority announced new proposed requirements for standard digital bookkeeping systems on July 2, 2026. The measures are designed to increase the use of e-invoices and strengthen security around electronic invoicing.

Under the proposal, providers of registered standard digital bookkeeping systems would be required to enrol their business customers so they can receive e-invoices unless those customers actively choose to opt out.
The change may sound technical, but its implications could reach thousands of Danish businesses.
Invoices sit at the centre of everyday commercial activity. Changing how they are issued, received and processed can affect accounting departments, suppliers, customers, software providers and internal financial controls.
The proposal also marks an important milestone in Denmark’s broader digital strategy.
After years spent bringing businesses into digital bookkeeping, authorities are now asking what can be automated next.
Digital Bookkeeping Is Now Fully Phased In
Denmark’s current direction began with the Bookkeeping Act adopted in 2022.
The legislation introduced mandatory digital bookkeeping gradually rather than requiring every affected business to change its systems at once.
By January 1, 2026, another major group entered the system.
Personally owned businesses and certain associations with net turnover above DKK 300,000 in each of two consecutive income years became subject to digital bookkeeping requirements.
Financial companies and certain subsidiaries also came within the digital bookkeeping framework from January 2026.
According to the Danish Business Authority, this completed the planned implementation for businesses covered by the requirements.
That means Denmark is moving from the question of whether businesses should keep accounts digitally toward the question of how those digital systems can automate more administrative work.
E-Invoicing Is the Next Target
The Danish Business Authority made that progression explicit when it launched its July consultation.
Current rules already require registered standard digital bookkeeping systems to support e-invoicing.
Businesses using these systems therefore have the technical possibility of sending and receiving electronic invoices.
But having the functionality available does not necessarily mean businesses use it.
The new proposal tries to change that.
Instead of requiring companies to take the initiative to activate receipt of e-invoices, bookkeeping-system providers would enrol customers automatically.
Businesses could still choose not to participate by actively opting out.
This is a classic “default” approach to digitalisation.
The technology is already available. The proposed rule would simply make using it easier and more likely.
A PDF Invoice Is Not Necessarily an E-Invoice
This is one of the most important practical distinctions for businesses.
An invoice sent electronically is not automatically an electronic invoice in the legal and technical sense used by Denmark’s bookkeeping rules.
A PDF attached to an email may look digital to the person receiving it.
But Danish Business Authority guidance states that PDFs, emails, JPEG files and other formats that require additional software to convert the information into processable data are not considered e-invoices.
A true e-invoice is issued, sent and received in an electronic format that allows it to be processed digitally in an accounting or bookkeeping system.
Denmark’s systems support formats including OIOUBL and Peppol BIS.
The difference is significant.
A PDF invoice still often requires someone, or separate software, to read information such as the supplier, invoice number, amount, VAT and payment details.
Structured e-invoice data can flow directly into financial systems.
That is where much of the potential for automation comes from.
Why the Change Matters for Corporate Compliance
For companies following Danish business regulation through Lead Roedl, the development illustrates how corporate compliance is increasingly connected to digital infrastructure.
Bookkeeping is no longer simply about keeping accurate records after a transaction occurs.
The systems used to create, receive and store those records are themselves becoming regulated.
All standard digital bookkeeping systems must be registered with the Danish Business Authority and meet applicable legal requirements.
Businesses using a registered system from the authority’s official list can rely on the fact that the system has been reviewed against those requirements.
The position becomes more complicated when companies use their own specially developed bookkeeping systems or combinations of accounting platforms and third-party applications.
In those situations, responsibility for satisfying relevant technical and bookkeeping requirements can fall more directly on the business.
This is particularly important for larger organisations and international groups with customised financial infrastructure.
Security Is Part of the E-Invoicing Proposal
Increasing e-invoicing is not the only objective of the proposed rules.
The Danish Business Authority says the draft also contains security measures intended to make electronic invoicing safer.
That matters because invoices are an attractive target for fraud.
A criminal who successfully changes payment information on an invoice may be able to redirect money before either the customer or supplier realises something has happened.
Business email compromise and invoice fraud have demonstrated how apparently routine payment processes can create serious financial risks.
Moving toward structured e-invoicing can reduce some manual processes, but automation does not remove the need for controls.
Businesses still need appropriate procedures around supplier identity, changes to payment information, user access and approval of transactions.
Digitalisation changes the nature of the control rather than eliminating it.
Denmark Sees Billions in Potential Administrative Savings
The government’s ambitions extend much further than invoices.
The e-invoicing initiative forms part of Denmark’s programme for Automatic Business Reporting, known in Danish as Automatisk Erhvervsrapportering.
The objective is to use digital bookkeeping data to reduce the time businesses spend on administrative tasks and reporting to authorities.
The Danish Business Authority estimates that digital bookkeeping could produce approximately DKK 3.5 billion in annual administrative savings for Danish businesses.
Small and medium-sized companies are expected to benefit particularly because they generally have fewer resources available for administrative work.
The wider strategy includes making it easier to:
- Use e-invoices
- Reconcile bookkeeping with company bank accounts
- Report accounting information directly from bookkeeping systems
- Standardise financial information
- Exchange data with public authorities
- Reduce manual data entry
The long-term vision is essentially that information already recorded correctly in a company’s financial system should not need to be manually entered again every time it is required elsewhere.
Standardised Data Makes Automation Possible
Automation depends on information being structured consistently.
That is why Denmark has also been developing a common public-sector chart of accounts and requirements involving the SAF-T file format.
SAF-T, or Standard Audit File for Tax, provides a standardised way of exporting accounting information.
Denmark’s common public chart of accounts allows financial information to be mapped consistently so that bookkeeping data can more easily be used for reporting and transferred between systems.
The Danish Business Authority updated the chart for implementation in registered bookkeeping systems for use from January 5, 2026.
Further expanded requirements for exporting bookkeeping data in SAF-T format are planned for January 1, 2027.
Taken together, these changes reveal the broader direction.
Digital bookkeeping is not the final destination.
It is the infrastructure on which Denmark intends to build increasingly automated business reporting.
Smaller Businesses Are Now Part of the Digital System
The January 2026 expansion is particularly significant because digital bookkeeping is no longer primarily an issue for companies already accustomed to formal annual-report requirements.
Personally owned businesses can now fall within the rules if their turnover exceeds DKK 300,000 in two consecutive income years.
The Danish Business Authority previously estimated that around 118,000 personally owned businesses and associations would enter the digital bookkeeping regime through the January 2026 phase.
For many smaller businesses, the transition may mean moving away from spreadsheets, paper records or less structured accounting processes.
There is an administrative burden involved in changing systems.
But the government’s argument is that businesses should ultimately save more time through automated bookkeeping, invoicing and reporting than the transition costs them.
The Danish Business Authority says its evaluation found expected savings to be higher than originally anticipated.
Businesses Using Custom Systems Carry More Responsibility
Companies should also understand the difference between registered standard bookkeeping systems and non-registered systems.
If a business uses a registered standard system appearing on the Danish Business Authority’s official list, the provider is responsible for ensuring that the system meets the applicable requirements for standard bookkeeping software.
Companies using specially developed or non-registered systems carry more responsibility themselves.
This can become particularly complicated when several applications work together.
For example, a business might use one platform for employee expenses, another for invoicing and a third as its core accounting system.
Depending on how information and supporting documentation move between those applications, the combination can potentially be treated as a specially developed bookkeeping system.
Businesses should therefore map their financial technology rather than assuming that compliance begins and ends with their main accounting software.
International Companies Should Review Danish Systems Too
Foreign groups operating in Denmark should pay particular attention to this issue.
A multinational company may use a central global enterprise resource planning system across dozens of countries.
That creates efficiency, but the system still needs to support local requirements where applicable.
A Danish subsidiary using a group-wide accounting platform may therefore need to determine whether its setup complies with Danish bookkeeping rules.
Questions can include:
- Is the system registered in Denmark?
- If not, who is responsible for demonstrating compliance?
- Can it send and receive the required e-invoice formats?
- Are supporting documents stored correctly?
- Does it maintain appropriate transaction and control trails?
- Can accounting information be exported in the required format?
- Do third-party modules form part of the bookkeeping system?
- Are Danish records retained according to applicable requirements?
International companies should not assume that compliance with a global accounting policy automatically means compliance with Danish bookkeeping legislation.
E-Invoicing Could Change Supplier Relationships
Greater adoption of structured electronic invoices can also affect relationships between businesses.
Companies may increasingly expect suppliers to issue invoices in compatible formats.
Procurement departments could begin considering e-invoicing capability when onboarding new suppliers.
Accounting teams may also need accurate identifiers and master data to ensure invoices reach the correct recipient automatically.
The potential benefit is significant.
Structured invoices can reduce manual entry, lower the risk of typing mistakes and speed up processing.
They can also make automated matching possible between purchase orders, invoices and payments.
But automation works best when the underlying data is correct.
An incorrect supplier number or poorly configured workflow can turn efficiency into a new source of errors.
The Consultation Has Closed, but Businesses Should Watch What Comes Next
The Danish Business Authority’s consultation on the proposed new requirements closed on August 17, 2026.
That means businesses should distinguish between what is already required and what remains part of the proposed next phase.
Digital bookkeeping requirements are already in effect for the relevant groups.
Standard digital bookkeeping systems already need to support e-invoicing.
The July proposal goes further by requiring system providers to enrol customers to receive e-invoices unless those customers actively opt out, along with introducing additional security measures.
Companies should therefore follow the final rules rather than treating every element of the proposal as existing law.
What Should Businesses Review Now?
Companies do not need to wait for every future rule before reviewing their accounting processes.
A practical assessment could include:
- Confirm whether the company is subject to mandatory digital bookkeeping
- Check whether the bookkeeping system appears on the Danish Business Authority’s register
- Review any custom or third-party accounting modules
- Determine whether the business currently sends and receives structured e-invoices
- Distinguish genuine e-invoices from PDF invoices
- Review supplier and customer master data
- Examine invoice approval controls
- Strengthen procedures for changes to bank details
- Identify manual steps that could be automated
- Prepare for future SAF-T requirements
- Monitor the final outcome of the 2026 e-invoicing proposal
Finance, IT and compliance teams may need to work together.
A bookkeeping system can satisfy technical requirements while poor internal processes still create errors or fraud risks.
Denmark’s Digital Experiment Is Moving Beyond Bookkeeping
The bigger story is not really about invoices.
It is about what happens after an economy moves business records into structured digital systems.
Denmark has spent several years expanding mandatory digital bookkeeping.
Now that implementation is fully phased in for the intended groups, the Danish Business Authority is moving toward greater automation.
E-invoicing is one part of that strategy. Automated bank reconciliation, standardised accounting data and direct reporting to authorities are others.
The direction is clear: businesses should increasingly expect financial information to move directly between systems instead of repeatedly passing through spreadsheets, PDFs and manual data entry.
For companies, that could eventually mean fewer administrative hours and fewer routine mistakes.
But it also means accounting technology is becoming part of the compliance framework itself.
Businesses will need to know not only whether their books are correct, but whether the systems producing those books meet Danish requirements.
Denmark’s next phase of digital bookkeeping therefore represents both an efficiency project and a corporate compliance project.
The invoice of the future may contain the same price and payment obligation as today’s invoice. The biggest difference is that fewer people may ever need to type its information into a system.