KudTax Blog
E-invoicing 2026: XRechnung & ZUGFeRD in e-commerce
Since 2025 every German business must be able to receive e-invoices — and from 2027 issuing them becomes mandatory in stages. What separates XRechnung from ZUGFeRD, which B2B deadlines actually apply, and how online sellers import and generate structured invoices without friction.
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GoBD Festschreibung: what the monthly close really means
German GoBD rules require bookings to become immutable once finalized — no erasing, corrections only via reversal entries. What's behind the monthly close, why a combined DATEV booking batch helps, and what a clean 'export & lock' process looks like in practice.
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DAC7 in practice (2025): What platforms report — and how online sellers are affected
The EU’s DAC7 directive obliges digital platforms to report their sellers to tax authorities. This article explains the rules, data fields, deadlines, due diligence and XML reporting process under national laws such as Germany’s PStTG.
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ViDA 2025 explained: e-invoicing, Digital Reporting & Single VAT Registration — what changes now and what’s coming by 2035
The EU’s VAT in the Digital Age (ViDA) was adopted on 11 March 2025. This explainer covers the three pillars — e-invoicing/DRR, platform rules and Single VAT Registration — the binding timeline through 2035, and the key obligations for businesses.
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KudAccounting & KudTax: The Future of Continuous Accounting in E‑Commerce
How KudAccounting, in collaboration with KudTax, takes over complete ongoing bookkeeping for e‑commerce merchants — automated, AI‑powered, GoBD‑compliant, with centralized invoice management.
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Amazon FBA & Multi‑Marketplace Accounting 2025: The Complete Guide for Online Sellers
Payout streams, fee labyrinths, OSS VAT and e‑invoicing: how online sellers can bring their accounting for Amazon FBA, Shopify & more into shape in 2025 – automated, GoBD‑compliant and with clean invoice management.
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Avoiding Accounting Mistakes: The 5 Most Common Errors in E-Commerce – And How to Prevent Them
Bookkeeping for online sellers is complex – and prone to errors. Here are the five most common accounting mistakes Amazon, Shopify, and eBay sellers make, and how to avoid them using automated bookkeeping.
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E-Invoicing 2025: What Online Sellers Need to Know
From January 1, 2025, electronic invoicing (E-Invoicing) will become mandatory for B2B transactions in Germany. Discover what an e-invoice entails, who it affects, permitted formats, and practical tips for online sellers to manage invoices according to GoBD and UStG regulations.
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VAT in e-Commerce: What Online Sellers Need to Know
This blog explains the VAT obligations for online sellers, how the One-Stop-Shop (OSS) system works, what to consider when using Amazon FBA and storing goods across the EU – and how KudTax helps you automate your e-commerce bookkeeping in a compliant and efficient way.
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Which Business Structure is Ideal for Your Online Shop?
Thinking about starting an online shop and wondering whether to go with a sole proprietorship, UG, or GmbH? In this blog, we compare the most common business structures for e-commerce in Germany, including legal, tax, and strategic factors – so you can make the right decision from day one.
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Automated Accounting for Online Sellers: How KudTax Effortlessly Manages Amazon FBA & More
Discover how KudTax, a cloud-based accounting solution specifically designed for online sellers, automates invoice processing, transaction matching, and seamlessly integrates with Xero, DATEV, and other platforms—ideal for Amazon FBA, Shopify & more.
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KudTax – The Innovative Accounting Solution for Online Sellers and E-Commerce Businesses
Discover how KudTax, the AI-powered accounting platform, helps online sellers automate invoices, streamline transaction management, and stay fully compliant with DATEV—perfect for Amazon FBA, Shopify, and other e-commerce platforms.
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Bookkeeping for Online Sellers – Easy & Automated
Automated cloud bookkeeping for e-commerce: How online sellers using Amazon, Shopify, eBay & more can save time and stay tax-compliant.
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