This technical specification proposes an evaluation of a data set based on the ISO/IEC 25000 family of standards, in such a way that it contributes to its measurement, for a possible characterization, certification, and/or improvement. The content of this technical specification will be applicable to all organizations since they all use data for their business processes; This includes both the bodies of the Administration and Public Law Entities linked to or dependent on them, as well as any private, for-profit or non-profit organization, regardless of its size or internal composition. The intended audience for this specification are data quality officers, as well as consultants and auditors who need to carry out an evaluation of data sets within their functions. The scope covered by this specification is that of data sets; and although, in principle, the model and the evaluation process can be applied to any type of data (numeric, image, text, etc.), in general this specification focuses on structured data.