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Implementation of E-Invoices in Latvia 2026: Expert Insights, XML Standards, and Practical Steps

In Brief: PDF is not an e-invoice: A PDF received via email is merely a "digital photograph" of a paper invoice. A true e-invoice is an XML file that accounting systems automatically read, eliminating manual data entry. Automation prevents errors: Structured data is validated "at the gate." If the invoice contains a mathematical error or incorrect details, the system automatically rejects it, preventing erroneous payments. Processes are more important than IT: A successful transition begins with organizing internal company processes (e.g., creating digital approval chains), not just installing new software. Digital passport in Europe: Using the PEPPOL standard, Latvian companies become compatible with the entire European business environment, ensuring fast and secure data exchange on an international scale. Implementing e-invoices is not merely a transition from paper to PDF but a leap to "smart accounting," where data exchange happens automatically, accurately, and without human intervention. By organizing internal processes and system compatibility today, a company transforms a mandatory state requirement into its greatest tool for efficiency and international competitiveness. This is a story about a shift in mindset: from manual data entry to a transparent, secure, and Europe-scale business ecosystem. Digitization in business is no longer just an option - it is a necessity, as highlighted in the Jumis Pro webinar "E-Invoices 2026: From Requirement to Daily Operations." The Biggest Myth: A PDF File in an Email is an E-Invoice Many entrepreneurs still believe that a PDF file received via email is an e-invoice. During the webinar on March 12, SRS representatives dispelled this myth very directly: "A PDF file in an email is not an e-invoice - it is just a digital photograph of paper." A true e-invoice is a structured XML (eXtensible Markup Language) file - it is like a digital form where data is arranged in a strictly defined structure that any modern accounting system understands. Why is this critical? Validation at the gate: A structured XML file (according to the European standard LVS EN 16931-1:2017) contains algorithms that check the data before it enters your system. If the IBAN account mentioned in the invoice is not registered or the VAT calculation is mathematically incorrect, the system automatically rejects the invoice. Elimination of human error: Accountants no longer have to "struggle" through unreadable PDF scans. In an XML file, each data field has its own "digital label," ensuring the program never confuses the invoice number with the VAT amount. Data from one company's system flows directly into another company's program without manual intervention. What Needs to Be Done BEFORE Implementing E-Invoices? Client experiences show that the biggest challenge is not the complexity of IT systems but the change in habits within the company. "Implementing e-invoices is not an IT project but a change in mindset: success lies not in the program but in the ability to agree with partners and organize internal processes." Several webinar discussion participants - companies that have already implemented e-invoices - admitted that there was initial resistance and fear of complexity. However, in practice, it turned out that the key to success is organizing internal processes, such as how invoices are approved within the company before they reach accounting. Key tasks and changes during e-invoice implementation: Digital transformation of approval chains: If invoices were previously physically signed by the department head, this process must now occur in the program. Experts recommend implementing electronic workflows to ensure the e-invoice doesn't get stuck halfway. Supplier audit: Contact your top 20 suppliers. Can they send structured e-invoices? If not, an e-invoice operator can act as a converter, but the goal is pure XML exchange. System compatibility: Check if your accounting program is connected to the e-address or PEPPOL access point. "Digital Postmen" and Security: How Data Travels E-invoice operators are not just intermediaries; webinar experts explained the role of e-invoice operators: they act as "digital postmen," ensuring secure data circulation and verification between sender and recipient. Secure channel: Unlike email, where invoices can be intercepted or forged (so-called man-in-the-middle attacks), e-invoice operators ensure encrypted data transmission. Archive as original: It is essential to understand that an e-invoice is the original document. Experts emphasize: "Accountants do not need to print them or save them additionally as PDFs 'for safety' - systems and operators provide a legally compliant archive that is accessible at any time." SRS and Compliance: Moving Toward Automated Declarations The strategic goal of the SRS is a transition to fully digital and transparent data exchange, making life easier for honest entrepreneurs. "An e-invoice is not a new format to send via email; it is a transition to 'smart accounting,' where data exchange between companies and the state happens automatically, eliminating manual VAT report chasing." What does this mean practically? VAT declaration annex 1: In the future, thanks to structured data, this annex could be automatically filled out from e-invoices received in the system. Limiting the shadow economy: Real-time data exchange allows the service to identify fraudulent schemes instantly, not after receiving quarterly reports. This means fewer inspections for honest companies. Digital Entry Ticket to Europe LIKTA and industry visionaries emphasized that e-invoices are the new benchmark for the competitiveness of Latvian companies. "E-invoices are not just accounting changes but the digital 'entry ticket' for Latvian companies into the modern European business ecosystem, where speed and data quality are the main competitive factors." Using the PEPPOL network, a Latvian company can send an invoice to any partner in Europe as easily as to a local neighbor. There is no need to adapt to each country's local "inventions" - everyone speaks the same digital language. Why Implement E-Invoices Today? At the end of the webinar, a strong summary was presented on why this transition is necessary right now: "E-invoices are not an administrative burden; they are the digital evolution of accounting, where system automation turns a mandatory requirement into real-time savings." In addition to saving time, entrepreneurs also highlight data transparency. Managers find it easier to monitor cash flow in real-time because invoices no longer get stuck in employees' emails but are immediately visible in the system. Since e-invoices will become a mandatory requirement for the B2B sector from 2028, but organizing processes and implementation requires time and training, experts emphasize that companies should check their system settings and collaborate with software providers (like Jumis or Horizon) to ensure successful data exchange. Practical Checklist for Companies: System check: Does my accounting system offer and is it updated for working with XML? Operator selection: Which "digital postman" will handle my data? E-address activation: Is my company reachable in the state's digital network? Internal regulation: Have we defined the new e-invoice approval procedure? Listen to all webinar recordings of "E-Invoices 2026: From Requirement to Daily Operations" here. Don't wait until the last moment and connect to the e-invoice solution now - Jumis Envoice! Frequently Asked Questions About E-Invoices Does the PDF invoice I receive via email count as an e-invoice? No, it is just a visual representation. Although a PDF is a digital file, it is not structured. This means that the accounting system cannot "read" it without additional tools or manual data entry. A true e-invoice is an XML file where data is labeled with "tags." This allows data from the seller's system to automatically and error-free "flow" into the buyer's system. PDF is meant for human eyes, XML - for system automation. Why do I need an e-invoice operator? An operator serves as a "digital postman" and security filter. Unlike regular email, the operator ensures: Validation: Checks whether the invoice complies with European standards and whether it contains mathematical errors before it reaches the recipient. Secure channel: Data is sent through encrypted networks (e.g., PEPPOL), eliminating fraud risks typical of emails. Compatibility: The operator "translates" data between different accounting programs, ensuring that Jumis communicates with Horizon, Moneo, or any other system. Do I still need to print invoices or save them as PDFs for archiving? No, this is not necessary and even not recommended. A structured e-invoice is the original document with legal force. According to expert opinions expressed during the webinar, e-invoice operators and accounting systems provide a secure cloud archive that meets legal requirements for document storage. Printing only creates unnecessary paper piles and increases the risk of losing the connection to the digital original.