Art. 1868. By the contract of agency a person binds himself to render some service or to do something in representation or on behalf of another, with the consent or authority of the latter. (1709a)

Art. 1869. Agency may be express, or implied from the acts of the principal, from his silence or lack of action, or his failure to repudiate the agency, knowing that another person is acting on his behalf without authority.

Agency may be oral, unless the law requires a specific form. (1710a)

Art. 1870. Acceptance by the agent may also be express, or implied from his acts which carry out the agency, or from his silence or inaction according to the circumstances. (n)

Rallos elements of an agency

1. Consent, express or implied of the parties to establish relationship

2. Object is execution of juridical act in relation to 3rd person

3. Agent acts as representative and not for himself

4. Agent acts within scope of his authority

Apparent Authority Elements

Apparent principal

somehow reaches a third party

which causes him to beleive that another party is authorized