Take-Down Notices

The Digital Millennium Copyright Act of 1998 provides an Online Service Provider (OSP) or carrier of digital information with protection from copyright liability resulting from use of the OSP’s system. However, in order to have the benefits of the law, the OSP or carrier must act expeditiously to remove or disable access to infringing material as identified in a formal notice by a copyright holder, and must comply with further detailed requirements in the Copyright Act.

Websites based at Columbia University should include a link to this page:

Linking to that page is strongly preferable to cutting and pasting the content.  By linking, you will be connecting to the central Columbia page, and you will have the benefit of any changes that may be made.

In response to this exemption, Columbia University has implemented a policy to address copyright infringement issues. For the policy, see:


For more on the DMCA and libraries, see:

For the text of relevant provisions of the DMCA, see:


Most Recent Revision: 090613