1. An agency is terminated as to every person having notice thereof by:
a. Expiration of its term;
b. Extinction of its subject;
c. Death of the agent;
d. Renunciation by the agent; or e. Incapacity of the agent to act as such.
2. Unless the power of an agent is coupled with an interest in the subject of the agency, it is terminated as to every person having notice thereof by:
a. Its revocation by the principal;
b. Death of the principal; or c. Incapacity of the principal to contract.