Legal notice

Who publishes this site, how to reach us and who is responsible for the content.

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Service provider and publisher

FeedstockData (feedstockdata.com) is the English edition of the Polish compendium Substraty.pl. Both sites are operated by the same publisher and service provider:

Samael Spółka z ograniczoną odpowiedzialnością (Samael Sp. z o.o., a limited liability company under Polish law)
Czarna Droga 84
33-101 Tarnów, Poland

  • Registered office: Tarnów, Małopolskie voivodeship, Poland
  • Commercial register: National Court Register (Krajowy Rejestr Sądowy, KRS), register of entrepreneurs, KRS no. 0000503734, entered on 27 March 2014
  • Register court: Sąd Rejonowy dla Krakowa-Śródmieścia w Krakowie (District Court for Kraków-Śródmieście in Kraków), XII Commercial Division of the National Court Register
  • Tax ID (NIP): 9930654255; EU VAT ID: PL9930654255
  • REGON (statistical number): 123072381
  • Share capital: PLN 5,000.00
  • Management board: one-member board — the President of the Management Board; every member of the board is authorised to make declarations on behalf of the company alone (sole representation). The name of the board member is disclosed in the National Court Register under the KRS number given above.
  • Electronic delivery address (e-Doręczenia): AE:PL-50523-32320-JSCDT-27
  • Domains of the service: substraty.pl, feedstockdata.com

The registration details above come from the public KRS register (api-krs.ms.gov.pl; current extract of 6 November 2026, last entry of 17 July 2026) and are given in accordance with Polish law on electronic services and the Polish Commercial Companies Code. They also serve as the provider information (Impressum) required for this site.

Contact

  • E-mail: contact@feedstockdata.com (also reachable at info@feedstockdata.com and office@feedstockdata.com)
  • Postal address: Samael Sp. z o.o., Czarna Droga 84, 33-101 Tarnów, Poland

Under Articles 11 and 12 of Regulation (EU) 2022/2065 (Digital Services Act), the single point of contact for authorities of the Member States, the European Commission, the European Board for Digital Services and for users of the service is contact@feedstockdata.com. We correspond in English or Polish. Reports of illegal content are accepted at the same address.

Editorial responsibility

  • Person responsible for editorial content (including for the purposes of Section 18(2) of the German Medienstaatsvertrag): the FeedstockData Editorial Team (Redakcja), at the address above, acting under the direction of the President of the Management Board of Samael Sp. z o.o.
  • The editorial team checks each piece of editorial content before publication and is editorially responsible for it. The author of editorial content is the “FeedstockData Editorial Team”.
  • Artificial intelligence. Articles, FAQ entries and translations are prepared with the help of AI tools on the basis of cited sources and are then checked by the editorial team; illustrations generated by AI are captioned as such.
  • Language versions. Articles are written in Polish and translated into English with AI assistance; every translation is checked automatically and by the editorial team. The Polish original at substraty.pl prevails if in doubt.

The information on this site is of a general, educational nature. It does not constitute legal, technical, tax or investment advice. Data come from the publications we cite; please verify them in the original source before relying on them. We link to external sources and are not responsible for the content of external sites.

Advertising and sponsored content

Sponsored articles are always labelled as such at the top of the article and in lists. Links to external sites in sponsored articles carry the attribute rel="sponsored".

Texts, layout, graphics and compilations may be protected by copyright and database law to the extent they meet the statutory requirements. Facts and non-creative elements are not claimed. Short quotations with attribution and a link are welcome. Terms for reusing our data are in the Data licence. Names, logos and trademarks of other companies belong to those companies.

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