General criteria for the recognition of an establishment or entity of historical, cultural or social and local interest are:
- The activity;
- The material heritage;
- Intangible assets.
The implementation of the evaluation of these criteria can be consulted in Article 4 in conjunction with Article 6 (4) of the Law in question.
Municipalities can carry out the recognition by applying the general criteria mentioned above, or densify them, defining special criteria that take into account the local specificities and the protection measures to be adopted by the municipality, weighing the various elements in presence, namely through the establishment of minimum criteria for the recognition or enhancement of criteria that they consider most relevant to the local reality of the municipality.
In this circumstance, and in accordance with article 5 of the Law, the city council will have to propose a regulation with these specificities and have it approved by the municipal assembly, after receiving the opinion from the Directorate-General of Cultural Heritage, within a maximum period of 60 days.