Terms and Conditions of Sale
Last updated : September 24, 2026
ARTICLE 1 – Scope of application
These General Terms and Conditions of Sale (hereinafter "GTCS") apply to all sales of services concluded by Kassyan Kornev EI, auto-entrepreneur, whose registered office is located at 4 Allée Toulouse Lautrec, 92290, Châtenay-Malabry, registered with the Trade and Companies Register under SIRET number 13054357200015. VAT not applicable, article 293 B of the French General Tax Code.
These GTCS are intended for consumers as defined by the French Consumer Code.
They also apply to professionals for their purchases.
ARTICLE 2 – Prices
The prices of our services are indicated in euros, all taxes included (ATI). VAT not applicable, article 293 B of the French General Tax Code. We reserve the right to modify our prices at any time, it being understood that the price indicated on the site on the day of the order will be the only one applicable to the buyer.
ARTICLE 3 – Orders
Any order constitutes acceptance of these GTCS. The buyer acknowledges having read and accepted these general terms and conditions of sale prior to placing their order.
The validation of the order implies acceptance of the entirety of these GTCS and constitutes proof of the sales contract.
ARTICLE 4 – Payment
Payment is due in full at the time of order. Accepted payment methods are: bank card.
ARTICLE 6 – Right of withdrawal (consumers)
In accordance with article L. 221-18 of the French Consumer Code, the consumer has a period of 14 days from receipt of the goods or acceptance of the offer for services to exercise their right of withdrawal without having to justify their reasons or pay any penalty.
To exercise this right, the consumer must notify their decision to withdraw in writing to the following address: adrefyn.contact@gmail.com.
In the event of exercising the right of withdrawal within the aforementioned period, only the price of the product(s) purchased and shipping costs will be refunded; return costs remain the responsibility of the customer.
ARTICLE 8 – Legal guarantees
All our products benefit from the legal guarantee of conformity (articles L. 217-4 et seq. of the French Consumer Code) and the guarantee against hidden defects (articles 1641 et seq. of the French Civil Code), allowing the consumer to return defective or non-conforming products.
- Legal guarantee of conformity: The consumer has a period of 2 years from delivery of the goods to take action.
- Guarantee against hidden defects: The consumer may choose between the cancellation of the sale or a reduction of the sale price in accordance with article 1644 of the French Civil Code.
ARTICLE 9 – Consumer mediation
In accordance with article L. 612-1 of the French Consumer Code, the consumer has the right to free recourse to a consumer mediator for the amicable resolution of a dispute.
The consumer mediator for Kassyan Kornev EI is: Kassyan Kornev (https://www.adrefyn.com).
The consumer may also submit their complaints on the European Commission's online dispute resolution platform: ec.europa.eu/consumers/odr
ARTICLE 10 – Intellectual property
All elements of the Kassyan Kornev EI website are and remain the exclusive intellectual property of Kassyan Kornev EI. No one is authorized to reproduce, exploit, or use in any way whatsoever, even partially, any elements of the website, whether software, visual, or audio.
ARTICLE 11 – Force majeure
The liability of Kassyan Kornev EI may not be invoked if the non-performance or delay in the performance of one of its obligations results from a case of force majeure as defined in article 1218 of the French Civil Code.
ARTICLE 12 – Governing law and jurisdiction
These GTCS are governed by French law. In the event of a dispute, only French courts shall have jurisdiction.
For consumers, in application of article R. 631-3 of the French Consumer Code, the courts of the place where the consumer resided at the time of the conclusion of the contract or the occurrence of the damaging event shall have jurisdiction.
ARTICLE 13 – Contact
For any question or complaint, you can contact us: