The representatives of the workers with union representation have the right to accessing the identificatives data of the workers who figure in the resolutions of nomination -in the case of the nominated staff- or in the contracts of employment -in the case of the hired staff-, feature, in this last case, of data that can affect the privacy of the workers. Singularly, for the case of the sanitary staff civil servant, they also have the right to identifying the complement of productivity assigned to each worker. Regarding the rest of work data of the workers, they will only be able to access it when they are necessary for the fulfillment of the union functions. But in this case, and unless the purpose requires it, the access will have to be carried out anonymizing the data previously. In the rest of cases, the communication of data to the representatives of the workers requires the previous consent from the headline.