There is sufficient legal habilitation in the regulations of autonomy of the patient to consider the communication of information of the patient the relatives or persons linked to the patient who request the receipt with regard to the article lawful 37.3.b) of the YOU, unless the patient opposes to it. The certificates or receipts that a sanitary center issues in the object case of consultation, should not include the work permission more than the indispensable information to prove that the circumstances that give law to obtain coincide, in the terms pointed out in the Juridical Foundation IV of this judgement. It is advisable that the sanitary centers establish a protocol in order to specify the contents of the certificates or receipts, so that the workers of the sanitary centers know properly to proceed in relation to the emission of the certificates.