The Town Councilor of Integration can treat the data of the Census necessary to give to the foreign persons inmigrades or to persons returned (Law 10/2010), in particular, for getting itself with these persons in touch fulfillment to the relative functions in the service of first reception. In case the Town Council can articulate a system through which the Department of Integration can only access, the necessary data of the Census in relation to the foreseen purpose, with views to its extraction in a temporary file this option would be adjusted to the demands of the regulations of data protection. In another case, it would be necessary to prioritize the option than or the area or service the one that makes the extraction and communicates the data to the Department been in charge of the Census.