Channel terminations

If your channel is terminated, you may be prohibited from accessing, possessing, or creating any other YouTube channels. When a channel is terminated, the channel owner receives an email explaining the reason for the termination.

Community Guidelines terminations
Reasons channels can be terminated If you believe that your channel has been terminated by mistake, you can appeal using this form.
 * Repeated violations of the Community Guidelines or Terms of Service
 * A single case of severe abuse such as predatory behavior or spam
 * Channels dedicated to a policy violation hate speech, harassment, impersonation, etc

https://support.google.com/youtube/contact/accountdisabled
 * Don’t submit an appeal request more than once. Multiple requests increase the volume to review and cause delays in our response.
 * Fill out the form as completely as possible including your Channel ID. The more information you provide the easier it will be to process your request.

Copyright terminations
If your channel was terminated due to claims of copyright infringement and you believe the copyright claims against your account are incorrect, you may file a counter notification. This process is still available for those with terminated channels, but the counter notification webform will be inaccessible. You may submit a free form counter notification.

For more information on the counter notification process, visit the Copyright Center. Note Filing a counter notification begins a legal process.