An event terminates an agency automatically when the occurrence of the event makes it impossible for the agent to perform.

Automates

The process of making an operation or procedure carried out without human intervention through the use of mechanical or electronic devices.

Agency

A relationship where one party (the agent) is authorized to act on behalf of another (the principal) in dealing with third parties.

Impossible

A term used to describe a task or condition that cannot realistically be fulfilled or achieved.