The American Library Association provides information on this Act in 5 sections: Introduction, DMCA and Libraries, DMCA Mandates, Legacy of DMCA, Other Information
The American Library Association provides this guide for libraries on how to use and apply the sections of the DCMA
To designate an agent, a service provider must do two things: (1) make certain contact information for the agent available to the public on its website; and (2) provide the same information to the Copyright Office, which maintains a centralized online directory of designated agent contact information for public use. The service provider must also ensure that this information is up to date.
Sign in to your registration account or to create a new account to submit service provider and designated agent information to the Office.
Contact information to get help and answers to frequently asked questions here and video tutorials which demonstrate step-by-step how to use the new directory and registration system.