In order to standardize the language setting in records of the aggregated repositories by the portal RCAAP, and in accordance with the guidelines DRIVER, where the use of ISO 639-3 is REQUIRED.

The records that did not include this standard will be identified by the validator repositories: http://validador.rcaap.pt.

To change / add the field of metadata for the language, they must use the dc.language.iso and apply one of the following values:

For other language codes check the website: http://www.sil.org/iso639-3/codes.asp