In order to partner multiple channels under your existing dashboard account, follow these 3 simple steps:
Please allow us some time us to review your channel. We need to make sure your content adheres to all YouTube's Terms of Service and policies before we are able to partner your channel. Once our review is complete, we will get in touch with you.
Should you have any questions or concerns, feel free to contact our support team by using the "Submit a request" link at the top of this page, or by clicking here.