Duty to include identificatives data in delivery notes or documents that prove the reception of documentation and material

The request of a citizen of the identificatives data (name and surname or DNI) of the statutory staff, to the effects of making them figure in an acusament of reception, it would be legitimate, in attention to the forecasts of the Law 55/2003 and of Law 39/2015, in so far as it would have as a purpose to know the identity of the person who has attended to it in its performance.