OBS_VALUE: The companies of the financial system must incorporate a subsidiary if they provide the following services: operate as a general deposit warehouse, act as broker in accordance to the stock market law, establish and manage programs of mutual and investment funds in accordance to the stock market law, operate as a custody, transportation and management of cash and securities and act as fiduciary in a titling trust  in accordance to the stock market law. For the rest of services, it is possible to provide such services through a subsidiary but it is not mandatory.