Terms of sale

Last update: 27 April 2022
This page is a translation of the French Conditions Générales de Vente. Aléryon Science being incorporated in France, according to French law the French version is the only legally binding version.

The terms of sale are concluded between Olivier Simard-Casanova (SIRET number 51524782300021,  aleryonscience@icloud.com) the editor of the newsletter (subsequently called "the site" and that can be L’Économiste Sceptique, L’Heure Américaine, Cities 2100 or DictionR), and the customer (subsequently called "the customer") buying a paid subscription (subsequently called "the subscription").


The product is a subscription that grants access to part or to the full site depending on the subscription level.

Price and duration

The price and duration of the subscription are specified on the checkout form.

For L’Économiste Sceptique only: the customer decides the subscription price, with a minimum price specified in the checkout form.

Access to subscriptions

To access to subscriptions, the customer needs to provide their name and email address. This operation will automatically create an account on the site.


The subscription is paid for by card via Stripe.


Due to the nature of the product, the subscription is delivered right after its payment and activation.


According to article 16 of the directive 2011/83/UE , considering the execution of the contract begins right after the subscription is paid for, there is no retraction rights. The customer gives up their retraction rights.


Once the subscription has been paid for, no refund is possible.

End of subscription

Each subscription is automatically renewed at the end of its duration. The customer can disable the automatically renewal at any time in their account. The subscription ends at the end of the last paid term.

Downtime due to technical issues

The maintenance of the site can create downtimes, most of the time for just a couple of minutes. These downtimes cannot justify a refund.

Update of the terms of sale

Any update of the terms of sale will be notified to the customer by email.