Thank you for updating your C.H.E.K Institute Affiliate Agreement.

Below, you will find links to download a new W-9 form for US Affiliates or a W-8 form for International Affiliates.

W-9 form for US Affiliates (PDF)

W-8 form for International Affiliates (PDF)

International Affiliates, please contact your tax advisor or accountant for the correct information to enter in Part II of the form. If this is left blank, the C.H.E.K Institute is required to withhold 30% of the commissions as tax and submit on your behalf to the IRS.

Please complete the appropriate form, sign it, and send it to us by email:

[email protected]

Or, fax it to us at:


Or, mail it to us at:

C.H.E.K Institute
3145 Tiger Run Court, Suite 101
Carlsbad, CA 92010

Now log into your Affiliate Admin area online!

This is where you will find banners, links and more that you can use on your website, in social media posts or emails.

Log in here

You will need your e-mail and password that you set up when you signed up for the Affiliate Program originally. If you have forgotten this information, there is a password retrieval link on the log-on page. We recommend that you bookmark the link above so that you can easily access your affiliate account in the future.


If you have any questions, please e-mail us: [email protected]