Code of Professional Responsibility and Accountability (CPRA)
Section 49. Accounting during engagement, - A lawyer, during the existence of the lawyer-client relationship, shall account for and prepare an inventory of any fund or property belonging to the client, whether received from the latter or from a third person, immediately upon such receipt. When funds are entrusted to a lawyer by a client for a specific purpose, the lawyer shall use such funds only for the client's declared purpose. Any unused amount of the entrusted funds shall be promptly returned to the client upon accomplishment of the stated purpose or the client's demand.