KSeF is a transactional system for handling e-invoices and does not serve as a state archive or long-term storage system. Digitization increases the importance and responsibility of state archives for the long-term...
All Technology Posts
How to Issue Advance Invoices in KSeF: Theory, Practice, and Key Practical Examples
Advance invoices (faktury zaliczkowe) must be issued when payment is received before delivery of goods or services, except in specific cases (e.g., intra-community supply or when payment and service occur in the same...
1 month ago
Why AI Can’t Fully Replace VAT Compliance Teams: The Need for Expert Oversight
AI can greatly enhance VAT compliance by automating processes, increasing efficiency, and reducing manual errors. VAT compliance is highly complex due to evolving legislation, ambiguous rules, and jurisdiction-specific...
1 month ago
Poland Advances KSeF Authentication Deadlines Under Regulation No. 169
Regulation No. 169 advances KSeF authentication deadlines in Poland. Trusted signature authentication is effective from February 13 instead of March 31. Mandatory electronic identification applies from February 14...
1 month ago
Poland Advances KSeF Authentication Deadlines with New Regulation Effective February 13, 2026
Poland amended regulations on the National e-Invoice System (KSeF). The date for using a trusted signature to authenticate entities was moved up to Feb. 13 from March 31. The date for mandatory electronic identification...
1 month ago
SAT Warns: Over 100,000 Peso Fines for Improper CSF Requests in Electronic Invoicing
Mexico’s Tax Administration Service (SAT) will fine taxpayers over 100,000 pesos for improperly requiring a Tax Status Certificate (CSF) to issue electronic invoices. The CSF is not mandatory for issuing electronic...
1 month ago
Mandatory E-Invoicing in Slovakia from 2027: How to Prepare for Upcoming EU Requirements
Mandatory e-invoicing for cross-border B2B transactions in the EU will start on July 1, 2030, under the ViDA package. Slovakia will implement mandatory domestic e-invoicing from 2027, ahead of the EU-wide requirement...
1 month ago
Mandatory Linking of Electronic Payments to e-Invoices (NF-e) and Digital Fiscal Receipts (NFC-e) in Goiás
Goiás State Department of Economy now requires ICMS taxpayers to automatically link any electronic payment to the corresponding e-Invoice (NF-e) or digital receipt (NFC-e). Payment and invoice systems must be...
1 month ago
Italy Launches AI-Powered Real-Time Tax Monitoring Platform for Enhanced Compliance and Risk Detection
Italy launched an AI-powered real-time tax monitoring platform on January 1, 2026, supported by the Revenue Agency. The system cross-references data from e-invoicing, digital payments, and tax returns to detect non...
1 month ago
Sweden Proposes ViDA-Aligned VAT Amendments for Cross-Border and Platform Supplies from 2027
Sweden proposes amendments to its VAT Act to align with the EU’s ViDA Directive, effective January 1, 2027. The changes clarify cross-border VAT rules, including when VAT is chargeable and reporting obligations arise...
1 month ago
7 Essential Insights for Successful E-Invoicing Implementation in Kenya, Ghana, Zimbabwe, and Nigeria
African tax authorities require real-time or near real-time e-invoicing compliance, with immediate visibility into transactions. Data quality is the main challenge; poor data (invalid tax IDs, addresses, etc.) causes...
1 month ago
South Africa to Implement Mandatory E-Invoicing and Real-Time VAT Reporting by 2028
South Africa will implement a mandatory electronic invoicing and real-time VAT reporting framework by 2028. The legal framework will be established in 2025, with consultations and technical finalization in 2026–2027...
1 month ago
VAT Refunds in the New KSeF Era: Key Changes and What Companies Need to Know
From February 1, 2026, using the National e-Invoicing System (KSeF) is mandatory for VAT settlements in Poland, changing invoice circulation, verification, and data access for tax authorities. The standard VAT refund...
1 month ago
Submitting Intent to Issue and Send KSeF Invoices with Attachments via ZGL_ZAL Form in e-US
From January 1, the ZGL_ZAL form is available in the e-Tax Office for declaring the intention to issue and send invoices with attachments to KSeF 2.0. Submissions must be made via the dedicated ZGL_ZAL form, not as a...
1 month ago
Poland KSeF 2026: Ministry Clarifies Fixed Establishment VAT Rules for Foreign and Local Businesses
The Polish Ministry of Finance clarified VAT rules for determining a fixed establishment under the mandatory National e-Invoice System (KSeF) effective February 1, 2026. KSeF invoicing applies to businesses with a...
1 month ago
Some Purchase Invoices Can Still Be Received Outside the National e-Invoice System (KSeF)
From February 1, 2026, VAT taxpayers must generally receive invoices via the KSeF system, but not all purchase invoices must be collected exclusively through KSeF. Only invoices that are required by law to be structured...
1 month ago
Poland Updates KSeF Manual and Introduces New E-Invoicing System Login Options
The KSeF 2.0 Manual has been updated with new chapters on authentication and authorizations for various business situations. New guidance covers issues like invoice exemptions, duplicate invoices, and notifications...
1 month ago
Slovakia Introduces SAPI-SK: Unified Solution to Simplify Electronic Invoicing for Businesses
The Slovak Financial Administration, together with Peppol experts and IT companies, has developed SAPI-SK, a unified technical solution for electronic invoicing in Slovakia. SAPI-SK standardizes how companies send and...
1 month ago
Nigeria Unveils Phased E-Invoicing Rollout for Large, Medium, and Small Taxpayers
Nigeria Revenue Service (NRS) is rolling out an Electronic Invoicing and Electronic Fiscal System (EFS) in phases for different taxpayer categories. Large Taxpayers (turnover ≥ NGN 5 billion) began onboarding in August...
1 month ago
Botswana Proposes Corporate Tax Hike and Major VAT Reforms Including E-Invoicing and Remote Services Tax
Botswana’s 2026–27 budget proposes a 3% corporate tax increase and higher taxes for top earners. Wide-ranging VAT reforms include mandatory electronic invoicing from April 2026 for real-time monitoring. The list of zero...
1 month ago
Overcoming Oracle Indirect Tax Challenges: Streamlining Configuration, Automation, and Scalability for Global Growth
Tax configuration in many organizations is complex, fragile, and relies heavily on manual intervention and individual knowledge. Internal teams often lack specialized Oracle tax expertise, leading to resource...
1 month ago
Nigeria Expands E-Invoicing Mandate: Phased Rollout and Enforcement Deadlines Through 2028
Nigeria Revenue Service is expanding mandatory e-invoicing to medium and small (emerging) taxpayers. Medium taxpayers: pilot April–June 2026, go-live July 1, 2026, enforcement January–March 2027. Emerging taxpayers:...
1 month ago
Greece Extends Mandatory E-Invoicing Deadline for Large Enterprises to March 2026
Greece has postponed mandatory electronic invoicing for large enterprises to 2 March 2026, with a transitional period until 3 May 2026. Applies to businesses with gross revenues over €1,000,000 for the 2023 tax year...
1 month ago
Croatia Eases Initial eInvoice Fiscalization, Maintains Mandatory eReporting and VAT Rejection Rules
The Croatian Tax Authority will not initiate misdemeanor proceedings for initial eInvoice fiscalization difficulties during the early phase of the Fiscalization Act. Leniency applies to issues like failure to issue or...
1 month ago
Handling VAT on Imported Goods in SAP ERP for United Arab Emirates: Process and Configuration Guide
VAT on imported goods in the UAE is subject to the Reverse Charge Mechanism (RCM), requiring registered taxpayers to pay VAT when filing returns. VAT is calculated on the sum of Basic Customs Duty (BCD) and the...
1 month ago
Ireland’s VAT Modernisation: Large Corporates Must Issue Structured E-Invoices for B2B from 2028
From 1 November 2028, large corporates in Ireland must issue structured electronic invoices (e.g., XML, EN16931) for domestic B2B transactions; PDFs and scans will not qualify. All Irish businesses, regardless of size...
1 month ago
Germany Mandates E-Invoicing for B2B: Key Deadlines, Requirements, and Exemptions Explained
Germany is introducing mandatory electronic invoicing (e-invoicing) for domestic B2B transactions, starting with the ability to receive e-invoices from January 1, 2025, and the obligation to send structured e-invoices...
1 month ago
Comarch e-Invoicing: New Certifications and Regional Compliance Updates for 2026
Comarch e-Invoicing ensures legal compliance in over 60 countries with a cloud-native platform. The company integrates with government platforms, Peppol networks, and real-time clearance models. Recent certifications...
1 month ago
