The communication of the name and surnames and number of the DNI/NIE included in the TC-2 it works out fitted out by the article 11.2.c) of the LOPD, in connection with the forecast of article 42.2 of the YOU. It only has to refer to the workers affected in the contract, and it does not have to include any other datum of these workers who can restrain themselves in the document TC-2 of the corresponding month. With this same purpose (art. 42.2 YOU) the Town Council can access to information about the effective perception of the wages on the part of the workers of the companies contractors or subcontractors. Unless the voluntary declaration of the affected persons is counted on, it is recommended to the Town Council that considers the option of the presentation of a certificate on the part of the company itself about the perception of the corresponding wages on the part of all the workers ascribed to the execution of the contract.