The document attached to this page is a letter dated 02 November 2010, and signed by a Red Hat employee who handles tax-related issues. It briefly explains what Fedora is, and that Fedora is free software (freely redistributible and zero cost) developed by a global community.
It places a value of $0.15 USD on each physical piece of media, and indicates that they are non-commercial in nature.
The letter is not to be modified in any way, because it is signed. Any updates to the letter should be agreed upon by the person who has signed it.