Agent’s authority in an emergency.— An agent has authority, in an emergency, to do all such acts for the purpose of protecting his principal from loss as would be done by a person of ordinary… 

When agent cannot delegate.— An agent cannot lawfully employ another to perform acts which he has expressly or impliedly undertaken to perform personally, unless by the ordinary custom of trade a sub-agent may, or, from… 

“Sub-agent” defined.— A “sub-agent” is a person employed by, and acting under the control of, the original agent in the business of the agency.

Representation of principal by sub-agent properly appointed.— Where a sub-agent is properly appointed, the principal is, so far as regards third persons, represented by the sub-agent, and is bound by and responsible for his acts,… 

Agent’s responsibility for sub-agent appointed without authority.— Where an agent, without having authority to do so, has appointed a person to act as a sub-agent, the agent stands towards such person in the relation of… 

Relation between principal and person duly appointed by agent to act in business of agency.— Where an agent, holding an express or implied authority to name another person to act for the principal in the… 

Agent’s duty in naming such person.— In selecting such agent for his principal, an agent is bound to exercise the same amount of discretion as a man of ordinary prudence would exercise in his own… 

Right of person as to acts done for him without his authority. Effect of ratification.— Where acts are done by one person on behalf of another, but without his knowledge or authority, he may elect… 

Ratification may be expressed or implied.— Ratification may be expressed or may be implied in the conduct of the person on whose behalf the acts are done. Illustrations (a) A, without authority, buys goods for…