duty legal definition

A legally-defined responsibility to perform certain acts or meet certain standards of performance; an essential element of proof in a tort action is that the defendant had a duty to act in a certain manner, such as the duty to use due care in the operation of a motor vehicle. Duties may be mandated by law, such as the duty to pay taxes, or may be voluntary, such as those assumed under a contract.

A duty that may be transferred to another.

A duty that one must perform personally, and that may not be delegated to another.