Terms of Use

Please read these Terms of Use carefully. If you are not able to abide by these rules, we regret that for legal reasons we must ask you to leave our website. The same applies if you are subject to any jurisdiction (e.g. in consequence of your nationality, residence or place of abode) which prohibits using or visiting this website or parts thereof.

Intellectual property

Unless expressly indicated otherwise, all data, designs, concepts, ideas and other elements of this website (hereinafter abbreviated to “Intellectual Property”) belong exclusively to their respective copyright owners. All use of the Intellectual Property, including personal use, is prohibited. This does not include personal non-commercial viewing of the website using standard unmodified browser software, or hard copy printouts for purely personal use. Origin of licensed photo material: Adobe Stock and iStock


This website constitutes online information about BoYaSTAR GmbH of 6793 Gaschurn, Austria (hereinafter abbreviated to “BoYaSTAR”) and its subsidiary PROMAO AG of 9491 Ruggell, Principality of Liechtenstein (hereinafter abbreviated to “PROMAO”). Comprehensive information relating to products and services offered by our companies are made available under the web addresses boyastar.com, boyastar.at, promao.com, promao.at, oksakowski.com, oksakowski.at and any subdomains.

Not an offer

The pages of this website do not represent an offer to enter into a contractual relationship of any kind.

Not a consultancy service

Messages, alerts, opinions, prices, data and other information on this website shall always be deemed general and non-binding, and may be altered and/or removed at any time without prior warning. Under no circumstances may the information that can be accessed on this site be regarded as a product or performance guarantee and/or interpreted as any assurance of features or availability.

No warranty as to content

All content on this site such as information, instructions, prices, colours etc., is provided without warranty and must at all times be regarded as not assured. Content is in some cases based on information from third parties which has also been provided without warranty.

Absence of confidentiality

Though communication through the publicly accessible areas of the website takes place over the internet in encrypted form, it can be read possibly by third parties using technical means, sender and recipient being clearly identifiable. The same applies to any e-mail sent to BoYaSTAR or to PROMAO. You are therefore urgently advised not to send confidential information to BoYaSTAR, PROMAO or third parties through the website or by e-mail.

No guarantee of availability

At no point is the availability of the website or specific parts thereof guaranteed. This also applies to its topicality, correctness and completeness. BoYaSTAR is entitled to restrict the availability of the website at any time for a defined or indefinite period, and/or change or remove content.

No liability

BoYaSTAR and PROMAO accept no liability for any loss or damage arising from or in connection with the use of the website or from third-party offers connected to the website via links.

Applicable law

Insofar as any contractual relationship is formed between you and BoYaSTAR, this relationship shall be subject exclusively to Austrian substantive law. If any contractual relationship is formed at all between you and PROMAO, this relationship shall be subject exclusively to substantive law of the Principality of Liechtenstein. The referring statutes of international private law and the provisions of the UN Convention on the International Sale of Goods shall not apply. In the case that you are a consumer within the meaning of the Austrian or Liechtenstein Consumer Protection Act, the respective applicable substantive law shall be subject to the statutory provisions.