Agent's acceptance of appointment

In agency, the agent accepts the appointment by the principal when he agrees, when he does acts in carrying out the agency or when he remains silent or does not act (inaction).

Art. 1871. Between persons who are present, the acceptance of the agency may also be implied if the principal delivers his power of attorney to the agent and the latter receives it without any objection.

Art. 1872. Between persons who are absent, the acceptance of the agency cannot be implied from the silence of the agent, except: (1) When the principal transmits his power of attorney to the agent, who receives it without any objection; (2) When the principal entrusts to him by letter or telegram a power of attorney with respect to the business in which he is habitually engaged as an agent, and he did not reply to the letter or telegram. (Civil Code of the Philippines)