Digital books • access after payment confirmation • no shipping

TERMS OF USE

Last updated: September 29, 2026

Welcome to the Editorial Cerne website.

These Terms of Use set out the conditions applicable to access to and use of editorialcerne.com, as well as the purchase of works sold by Editorial Cerne.

By using the website or making a purchase, the user declares that they have had the opportunity to review these Terms, without prejudice to the rights guaranteed by applicable Brazilian legislation.

1. IDENTIFICATION

The editorialcerne.com website is maintained by:

Trade name: Editorial Cerne Responsible party: 68.605.657 Jenifer dos Santos de Souza Brazilian Business Registration (CNPJ): 68.605.657/0001-16 Principal place of business: Campinas – SP, Brazil Email: support@editorialcerne.com

2. PURPOSE

Editorial Cerne publishes and sells editorial works, including works made available in digital format.

The characteristics, content, access conditions, and other relevant information for each work are presented on its respective offer page.

3. DIGITAL WORKS

Works identified on the website as digital are provided electronically, and no physical copy will be shipped unless the offer expressly states otherwise.

Before completing a purchase, the customer must review the description of the work and the information presented on the respective offer page.

4. PURCHASE AND PAYMENT

When selecting a work for purchase, the customer may be directed to the checkout environment of the Hotmart platform, which is responsible for processing the transaction.

Available payment methods, processing conditions, instalment options, where applicable, and other financial information will be presented in the checkout environment.

Completion of the purchase is subject to confirmation of the respective payment.

5. PROVISION OF THE WORK

After payment confirmation, access to the digital work will be provided according to the instructions presented during the purchase process or sent to the email address provided by the customer.

The customer is responsible for providing accurate information and maintaining access to the email address used for the purchase.

If the customer has difficulty accessing the purchased work, they may contact:

support@editorialcerne.com

6. RIGHT OF WITHDRAWAL AND REFUNDS

Requests for cancellation, withdrawal, or refund will be handled in accordance with applicable Brazilian legislation, including consumer protection rules.

Where applicable, consumers may exercise the legal right of withdrawal within the statutory period counted from the contract date, under the Brazilian Consumer Protection Code.

Requests may be made by email to:

support@editorialcerne.com

Where a request involves payment processed by a third-party platform, fulfilment may also depend on that platform’s operating procedures, without prejudice to the rights guaranteed to consumers by applicable law.

7. INTELLECTUAL PROPERTY

Works sold by Editorial Cerne, as well as texts, graphic elements, visual identity, and other protected content made available on the website, are subject to applicable copyright and intellectual property legislation.

The purchase of a digital work grants the purchaser the right to access and use it for personal purposes, within the limits permitted by law and the conditions of the respective offer.

The purchase does not transfer copyright or intellectual property rights in the work.

Except where authorised by law or with the express authorisation of the respective rights holder, purchased works may not be reproduced, distributed, made publicly available, sold, resold, or shared in full in any manner that infringes applicable copyright.

8. USE OF THE WEBSITE

The user agrees to use the website lawfully and in a manner compatible with these Terms and applicable legislation.

The website may not be used to commit fraud, attempt unauthorised access to systems, impair the operation of the platform, or violate the rights of Editorial Cerne or third parties.

9. THIRD-PARTY SERVICES

Certain functions related to purchases, payments, hosting, measurement, or service provision may be performed by third-party providers.

These services may have their own terms of use and privacy policies.

Editorial Cerne remains responsible for the obligations assigned to it by applicable law, regardless of the use of third-party providers.

10. PRIVACY AND DATA PROTECTION

The processing of personal data related to the website and Editorial Cerne’s activities is described in the Privacy Policy available at:

/privacy-policy

The Privacy Policy forms part of the information applicable to use of the website.

11. WEBSITE AVAILABILITY

Editorial Cerne seeks to keep the website and its services available and operating properly.

However, temporary interruptions may occur due to maintenance, updates, technical failures, provider unavailability, or other operational circumstances.

Where appropriate, Editorial Cerne will take reasonable measures to restore the services under its responsibility.

12. CHANGES TO THESE TERMS

These Terms of Use may be updated to reflect changes in Editorial Cerne’s services, activities, or applicable legislation.

The current version will be made available on this page with its respective update date.

Changes will not prejudice consumer rights already established under applicable law.

13. APPLICABLE LAW

These Terms are governed by the laws of the Federative Republic of Brazil.

Any disputes will be handled according to applicable legislation, respecting the rights and rules of jurisdiction guaranteed to consumers.

14. CONTACT

For questions, support requests, or matters related to purchases and Editorial Cerne’s works:

Editorial Cerne 68.605.657 Jenifer dos Santos de Souza Brazilian Business Registration (CNPJ): 68.605.657/0001-16 Campinas – SP, Brazil Email: support@editorialcerne.com