An Addendum is an amendment or addition to a document.
A waiver or release is the intentional and voluntary act of relinquishing something, such as a known right to sue a person or organization for an injury. The term waiver is sometimes used to refer a document that is signed before any damages actually occur. A release is sometimes used to refer a document that is executed after an injury has occurred.
Courts vary in their approach to enforcing releases depending on the particular facts of each case, the effect of the release on other statutes and laws, and the view of the court of the benefits of releases as a matter of public policy. Many courts will invalidate documents signed on behalf of minors. Also, Courts do not permit persons to waive their responsibility when they have exercised gross negligence or misconduct that is intentional or criminal in nature. Such an agreement would be deemed to be against public policy because it would encourage dangerous and illegal behavior.
