"II. PRODUCT REQUIREMENTS
All Products must be original or otherwise appropriately licensed and non-infringing content that is digitally delivered (via web pages, downloadable files, or email) within 24 hours of purchase. Immediate delivery preferred. If Your Product cannot meet this requirement, You must receive a written exemption from an authorized ClickBank representative.
You may also offer shipped delivery of printed media (books, CD's, and DVD's) as a courtesy to qualified customers, provided the shipped media is clearly complementary and not essential to the operation of the originally downloaded digital Product. The complementary nature of the shipped media must be clearly explained to the customer. See Federal Trade Commission Policy, Advertising and Marketing on the Internet."