 Before its inauguration on 21 December 1990, the archive that remained at the former-monastery was transferred to the new building.On 22 December 2010, the DRCLVTejo proposed classifying the building as a municipal property of interest, which was supported by the director of the IGESPAR.On 17 May 2011, an announcement was published regarding the process to classify the building, and by August, a formal request to make the building a municipal property of interest was formalized by DRCLVTejo.