A member of Texas REALTORS® was sued recently because the member’s brokerage website was displaying a copyrighted photo through the IDX feed from the MLS.
That’s the kind of situation the safe-harbor provision of the Digital Millennium Copyright Act (DMCA) was designed to address. The safe harbor applies to content on your website that you don’t control but that infringes someone else’s copyright. In the case of the lawsuit, the content is a photo from an IDX feed. As long as you comply with the safe harbor’s requirements, you are protected from liability for copyright infringement.
Designating an agent with the Copyright Office is one requirement. Posting certain contact information on your website is another requirement.