Avenue to Learn must be used in a manner which does not contravene copyright law. In particular, you must not post copyrighted material on this system, unless you hold the copyright, or have determined that the work is in the public domain, or is covered by a license permitting such use, or have first obtained written permission from the copyright owner. Further information about reproducing published works and materials may be found at: http://www.copyright.mcmaster.ca.
...In other words, you are letting us know that you have permission to use any copyrighted material that you provide or will provide on this system. If you do not have permission to use the material, and if any damages are incurred because of this, you will be responsible for the damage. The copyright site referenced above (http://www.copyright.mcmaster.ca) contains a range of additional information that will help you to ensure that your use of this system is compliant with copyright law.