When you order (a) publication(s), you accept these Terms and Conditions (“Sales Agreement”) and the Customer Licence Agreement, so make sure you read all these terms before finalizing your purchase.

Should you have any questions about this Sales Agreement, please contact us.


Local taxes are applied to orders with a billing address in Delaware, USA (0% of purchase). Payment of any local or other taxes which may be applied to orders dispatched outside Delaware, USA is the responsibility of the customer.


Orders payments are handled by Stripe. Your payment information will be processed immediately and confidentially.


We use TLS 1.3 256-bit encryption (were supported, fallback for older TLS versions, and 128-bit encryption is also supported), the industry-standard technology that allows you to communicate to our website via a secure, encrypted link, thus preserving data integrity and confidentiality. Because of the TLS 1.3 256-bit encryption, your personal information is kept secure. Payment information is not processed or stored by iTeh Inc.


After placing your order, we will automatically e-mail your invoice. Please make sure that during the shopping process you indicate your full billing information.

Return Policy

We do not accept returns for purchases of electronic documents.

Data Protection

See the Privacy Policy, which is incorporated into this Sales Agreement.

Termination and Limitations

See Clauses 5 and 6 of the Licence Agreement, which are incorporated into this Sales Agreement. Should you have questions or need assistance, please do not hesitate to contact us.

Last updated on . We may amend these terms at our sole discretion by posting the revised terms on the website and shall be effective as of the date of their posting.