Legal Information
Last Updated: December 20, 2025
Information in accordance with German law:
Nico Wichmann
c/o flexdienst – #11863
Kurt-Schumacher-Straße 76
67663 Kaiserslautern
Germany
Einzelunternehmer (Sole Proprietorship) under German law
Business owner: Nico Wichmann
Umsatzsteuer-Identifikationsnummer gemäß § 27a UStG: Nicht vorhanden
Kleinunternehmer gemäß § 19 UStG – Umsatzsteuer wird nicht ausgewiesen.
As a small business under § 19 UStG (German VAT Act), we do not charge VAT and therefore do not have a VAT identification number.
Note for Paid Purchases: Premium courses are sold by Lemon Squeezy, LLC (Merchant of Record), who collects and remits all applicable taxes according to customer location.
Email: info@nex-arc-learning.com
We aim to respond to all inquiries within 48 hours during business days (Monday-Friday).
Website: https://nex-arc-learning.com
For paid course offerings, payment processing and billing are handled by:
Lemon Squeezy, LLC
222 South Main Street
Suite 500
Salt Lake City, UT 84101
United States
Lemon Squeezy acts as the Merchant of Record for all paid transactions. For payment-related inquiries, refunds, or billing questions, please contact Lemon Squeezy support or refer to your purchase confirmation email.
Nico Wichmann
c/o flexdienst – #11863
Kurt-Schumacher-Straße 76
67663 Kaiserslautern
Germany
(Responsible for editorial content and course materials)
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For the terms and conditions governing your use of this website, please refer to our Terms of Service.
The European Commission provides a platform for online dispute resolution (ODR): https://ec.europa.eu/consumers/odr.
Our email address can be found above in the Impressum.
We are not willing or obliged to participate in dispute resolution proceedings before a consumer arbitration board.
As a service provider, we are responsible for our own content on these pages. However, we are not obligated to monitor transmitted or stored third-party information or to investigate circumstances that indicate illegal activity.
Obligations to remove or block the use of information under general law remain unaffected. However, liability in this regard is only possible from the time of knowledge of a specific legal violation. Upon becoming aware of such violations, we will remove this content immediately.
Our website contains links to external third-party websites over whose content we have no influence. Therefore, we cannot accept any liability for this third-party content. The respective provider or operator of the pages is always responsible for the content of the linked pages.
The linked pages were checked for possible legal violations at the time of linking. Illegal content was not recognizable at the time of linking. However, permanent monitoring of the content of the linked pages is unreasonable without concrete evidence of a legal violation. Upon becoming aware of legal violations, we will remove such links immediately.
The content and works created by the site operators on these pages are subject to copyright law. The duplication, processing, distribution, and any kind of exploitation outside the limits of copyright require the written consent of the respective author or creator.
Downloads and copies of this site are only permitted for private, non-commercial use. Insofar as the content on this site was not created by the operator, the copyrights of third parties are respected. In particular, third-party content is marked as such. Should you nevertheless become aware of a copyright infringement, please inform us accordingly. Upon becoming aware of legal violations, we will remove such content immediately.
While we strive to provide accurate and up-to-date practice exam questions and study materials, we cannot guarantee the accuracy or completeness of all content. The materials are provided "as-is" and are intended for educational purposes only. Users should verify critical information with official certification providers and documentation.
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This website is operated from Germany and complies with German law. The legal information provided in this Impressum is in accordance with the Digitale-Dienste-Gesetz (DDG) and other applicable German regulations.
While this website is accessible globally, German law shall apply to the relationship between the operator and users. For users outside Germany, additional local laws may apply. Users are responsible for ensuring their use of this website complies with their local regulations.
Any disputes arising from or in connection with the use of this website shall be subject to the exclusive jurisdiction of the competent courts in Kaiserslautern, Germany, unless mandatory consumer protection laws require otherwise.
This Impressum is provided in accordance with German law. As this website is operated from Germany, German law applies.