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Articles, guides, and news about SEPA, UBL standards, and financial compliance.

·Peppol

Peppol BIS Billing 3.0 Business Rules: The Complete Reference

A comprehensive reference to the Peppol BIS Billing 3.0 business rules (PEPPOL-EN16931-xx): what they validate, the most common rule failures, how they differ from base EN 16931 rules, and how to diagnose and fix validation errors.

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·IBAN

12 Common IBAN Errors That Cause Payment Rejection — and How to Fix Them

The most frequent IBAN errors in SEPA payments and e-invoices, with the exact rejection codes, root causes, and step-by-step fixes. Avoid costly returned payments and failed straight-through processing.

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·Factur-X

15 Common Factur-X / ZUGFeRD Errors and How to Fix Them

The most frequent validation errors in Factur-X and ZUGFeRD invoices, with detailed explanations and step-by-step fixes. From PDF/A-3 structure errors to EN 16931 business rule failures.

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·SEPA

SEPA Direct Debit Complete Guide: pain.008, Mandates, and B2B vs Core

A complete guide to SEPA Direct Debit: how pain.008 works, the difference between SDD Core and SDD B2B, mandate management, pre-notification rules, return codes, and common implementation errors.

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·IBAN

IBAN Format by Country: Complete Reference Guide for All 36 SEPA Countries

A complete reference table of IBAN formats for all 36 SEPA countries and beyond: country codes, lengths, structure, example IBANs, and mod-97 validation. Essential for finance professionals and developers working with European payments.

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·ISO 20022

Camt.052 vs Camt.053 vs Camt.054: What's the Difference?

A complete comparison of the three main ISO 20022 cash management report formats: camt.052 (intraday statement), camt.053 (end-of-day statement), and camt.054 (debit/credit notification). When to use each and how they relate to legacy MT formats.

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·Belgium

E-invoicing in Belgium: The Complete Guide to the 2026 B2B Mandate

Belgium mandates Peppol-based B2B e-invoicing from January 2026. This guide covers the legal framework, accepted formats (UBL/Peppol BIS 3.0 and Factur-X), the Mercurius platform, and what Belgian companies must do to comply.

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·ISO 20022

ISO 20022 Migration Guide: Everything You Need to Know

The complete guide to ISO 20022: what it is, how it differs from SWIFT MT, its relationship to SEPA, the global migration timeline, and what businesses must do to prepare.

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·EN 16931

EN 16931: The Complete Guide to the European E-Invoicing Standard

Everything about EN 16931: the CEN semantic data model mandated by EU Directive 2014/55/EU, UBL and CII syntaxes, country CIUS implementations, business rules, and its relationship with Peppol BIS 3.0.

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·Germany

XRechnung — Complete Guide to German E-Invoicing

Everything about XRechnung: the German CIUS of EN 16931, ZRE platform, B2G mandates, Wachstumschancengesetz B2B timeline, and validation rules.

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·France

Chorus Pro — Complete Guide to French E-Invoicing Platform

Everything you need to know about Chorus Pro: what it is, how it works, accepted formats, ODP platforms, and the 2026 e-invoicing reform timeline.

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·Factur-X

Factur-X Profiles Explained — From MINIMUM to EXTENDED

Understanding the 6 Factur-X/ZUGFeRD profiles: what data each contains, when to use them, and how they map to EN 16931 compliance.

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·Peppol

The Peppol Network — A Complete Guide to European E-Invoicing Infrastructure

Everything you need to know about the Peppol network: how it works, access points, SMP/SML, supported countries, and how to get connected.

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·UBL/Peppol

Common UBL & Peppol BIS 3.0 Errors and How to Fix Them

The most frequent UBL 2.1 and Peppol BIS Billing 3.0 validation errors, with root causes and practical fixes for each.

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·E-invoicing

UBL vs CII vs Factur-X — Comparing European E-Invoice Formats

A practical comparison of the three main European e-invoicing formats: UBL 2.1, UN/CEFACT CII, and Factur-X/ZUGFeRD. Which one should you use?

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·SEPA

pain.001 vs pain.008 — SEPA Credit Transfer vs Direct Debit Explained

Understand the key differences between SEPA pain.001 (Credit Transfer) and pain.008 (Direct Debit) XML formats, when to use each, and how they work.

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·SEPA

15 Common SEPA XML Errors and How to Fix Them

A comprehensive guide to the most frequent SEPA pain.001 and pain.008 validation errors, with practical solutions for each.

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·E-invoicing

E-invoicing compliance in Europe: what businesses need to know in 2026

France, Germany, Belgium, and the Netherlands are all rolling out mandatory e-invoicing. Here is what EN 16931, Factur-X, Peppol, and the ViDA directive mean for your business.

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·SEPA

CSV to SEPA XML Converter: generate pain.001 from a spreadsheet

Turn any CSV or Excel file into a valid SEPA pain.001 or pain.008 XML file in seconds. Here is how the converter works and what your spreadsheet must contain.

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·E-invoicing

Factur-X and ZUGFeRD: hybrid PDF invoice standard

Factur-X (France/Germany) and ZUGFeRD embed a structured XML invoice inside a PDF/A-3 file. Here is how the standard works and how to read these hybrid invoices.

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·ISO 20022

Reading a camt.053 bank statement: structure and key fields

The camt.053 is the ISO 20022 standard for electronic bank statements. Here is how to read its XML structure, understand balances, and extract transactions.

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·Guide

IBAN validation: how does the checksum work?

The IBAN contains a built-in error-detection mechanism. Understanding how the mod-97 checksum works helps you detect errors before they block your payments.

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·Guide

Understanding SEPA pain.001 format: a complete guide

The pain.001 file is the standard format for SEPA credit transfers. In this guide, we explain its XML structure, mandatory fields, versions, best practices, and common errors to avoid.

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·UBL / Peppol

Electronic invoicing with UBL 2.1 and Peppol BIS 3.0

Electronic invoicing is becoming mandatory in many European countries. Discover how the UBL 2.1 format and the Peppol network simplify B2B and B2G exchanges.

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·Best practices

XML validation: 5 common mistakes and how to fix them

XML validation errors can block your payments or invoices. Here are the 5 most common issues we see and how to resolve them quickly.

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