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Compliance, tax and law for SaaS

Practical articles on e-invoicing, GDPR, BaFin ZAG, EU AI Act and more. For founders and SaaS providers in Germany — without legal advice through the back door.

What you will find here

The MicroSenorit blog covers the legal and technical topics relevant for SaaS providers, agencies and solo operators in Germany. No content marketing fluff, no SEO-driven topic list. Articles appear when a topic comes up in practice.

E-invoicing from 2025

ZUGFeRD and XRechnung: obligations, formats, implementation in practice. What businesses must receive from 1 January 2025 and send from 2028.

GDPR for SaaS providers

Privacy policy, processing agreements, consent management and technical measures. What really matters, what is just bureaucracy.

BaFin ZAG and credits

The Limited Network Exemption under §2(1)(10) ZAG: when credits in SaaS are legal without a payment licence and where the limits lie.

EU AI Act 2025

Applicability, risk classes, documentation obligations and logs for generative AI outputs. What applies until August 2025 and what comes after.

GoBD and bookkeeping

Audit-proof archiving, retention periods and electronic accounting documents. For sole traders and GmbH.

BFSG and accessibility

The Accessibility Strengthening Act applies from 28 June 2025 to digital products. WCAG 2.2, technical requirements and declaration obligation.

Tax for SaaS

VAT under EU OSS, reverse charge B2B, VIES validation and Stripe Tax. Practical examples for German SaaS providers.

Cancellation and withdrawal

§312k BGB cancellation button, §356 BGB right of withdrawal for digital content and two-step confirmation. Implementation obligations for software subscriptions.

Publication frequency

The blog publishes without a fixed schedule. Articles appear when a topic comes up in practice, not according to an editorial plan. That sometimes means two articles in a week, sometimes none in a month.

Author

All articles are written by Ebrahim Seyfi, web developer and founder of Senorit. For tax-related topics, he draws on publicly available sources such as BMF letters, the German VAT Act and official announcements.

All articles are editorial content without liability. They do not replace legal or tax advice. For binding information, consult a licensed adviser.

All articles

All articles

Compliance

XRechnung für B2B — Pflicht seit 2025

XRechnung war bislang Pflicht im öffentlichen Auftragswesen. Seit dem 1. Januar 2025 spielt das XML-Format auch im privaten B2B-Bereich eine

7 min read

Tax

DATEV-Export — Automatisch vs. manuell

Buchhalter und Steuerberater in Deutschland setzen überwiegend auf DATEV. Wer seinen Buchhaltungsworkflow optimieren will, steht vor der Wah

7 min read

Tax

UStVA Abgabe — Fristen und Tools

Die Umsatzsteuer-Voranmeldung (UStVA) ist für die meisten Unternehmer monatlich oder quartalsweise fällig. Wer die Fristen verpasst, zahlt S

6 min read