Category: Law on Negotiable Instruments
Sec. 19. Signature by agent; authority; how shown. - The signature of any party may be made by a duly authorized agent. No particular form of appointment is necessary for this purpose; and the authority of the agent may be established as in other cases of agency.
SIGNATURE THROUGH AGENT, FORM
The party may sign personally or through an agent
Agency may be written or oral
No particular form required by the law and the agency may be proved through oral or written evidence, unless specific provisions of the law, such as the Statute of Frauds, requires otherwise
Sec. 20. Liability of person signing as agent, and so forth. - Where the instrument contains or a person adds to his signature words indicating that he signs for or on behalf of a principal or in a representative capacity, he is not liable on the instrument if he was duly authorized; but the mere addition of words describing him as an agent, or as filling a representative character, without disclosing his principal, does not exempt him from personal liability. REQUISITES FOR AGENT TO ESCAPE LIABILITY
1. Be duly authorized
2. Add words to his signature indicating that he signs as an agent, that is, for or on behalf of a principal, or a representative capacity
3. Disclose his principal