The access on the part of the town councilors of the corporation to the data of personal character contained in the register of entry and exit of documents of a Town Council, and in the documents that they note down there, will be legitimate if he limits itself to the data necessary for the exercise of the functions that they have attributed and can only be used for the fulfillment of the purpose determinate, explicit and legitimate that the access to the data, in this case, has generated the necessary development of the functions that they correspond to the town councilors who make the request of information.