Hello from the Amazon Associates Program.
While reviewing your account, we have been unable to verify that the means through which you are referring customers to the Amazon site are in compliance with the terms of the Associates Program Operating Agreement. We therefore request that you provide us with a detailed description of the methods you are using to refer customers to the Amazon site.
The description you send can include, for example, identification of the sites on which your banner ads are posted, advertising services you are using, screenshots of your site’s analytics tools that show your site traffic and its sources, the keywords you are using to drive referrals, and any other information that would be relevant to confirming the your compliance with the Operating Agreement, which can be found here:
https://affiliate-program.amaz...n.com/gp/associates/agreement. 
Please send your response to
[email protected] within fourteen days of the date of this notification.
We hope you understand that, we do not receive a satisfactory response from you within fourteen (14) days, we will have no choice but to close your account and withhold advertising fees.
We appreciate your understanding and hope to hear from you soon.
Best regards,
Gary - Associates Account Specialist
http://www.amazon.com 