Article 1005.

1. Under an agency contract, one party (agent) undertakes, for remuneration, to perform legal and other acts on behalf of the other party (principled) but at the expense of the principal or from In a transaction made by an agent with a third person on his or her behalf and at the expense of the principal, he or she acquires rights and becomes a duty agent, even if the principal was named in the case. In a transaction made by an agent with a third party on behalf of and at the expense of the principal, rights and obligations arise not indirectly. 2. Where an agent ' s written contract provides for the general authority of the agent to perform transactions on behalf of the principal, the latter in relation to the 3. An agent ' s lack of authority may not be invoked by third parties unless he proves that a third person knew or ought to have known that the agent ' s powers were restricted. 4. Certain types of agency contract may be specified by law.