An agent acting within the scope of his or her authority to contract with a third party is not liable on the contract if the third party knows the principal's identity.

Agent

An individual or entity authorized to act on behalf of another person or entity in business matters or legal transactions.

Liable

Legally responsible for one's actions or for a particular outcome.

Principal's Identity

Refers to the clear disclosure of the principal party's identity in an agency relationship, especially in transactions.