Marco Jankowski
Bernsteinring 13
12349 Berlin
Germany
Phone: +49 173 6178980
Email: mj@altf4.org
Sales tax identification number according to § 27 a Sales Tax Law:
DE314561679
Professional title: IT Specialist and IT Consultant
Responsible chamber: not subject to chamber membership
Marco Jankowski
Bernsteinring 13
12349 Berlin
The European Commission provides a platform for online dispute resolution (ODR): https://ec.europa.eu/consumers/odr/.
You can find our email address in the imprint above.
We are neither willing nor 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 in accordance with § 7 para. 1 TMG under general laws. According to §§ 8 to 10 TMG, however, we as a service provider are not obliged 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 according to general laws remain unaffected. However, liability in this regard is only possible from the time of knowledge of a specific infringement. Upon becoming aware of corresponding legal violations, we will remove this content immediately.
Our offer contains links to external third-party websites over whose content we have no influence. Therefore, we cannot assume any liability for this external 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 not reasonable without concrete evidence of an infringement. 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 German copyright law. Reproduction, editing, 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 page 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.
Last updated: January 2025