Links:
[1] http://coac.arquitectes.cat/es/node/30800
[2] https://dogc.gencat.cat/ca/document-del-dogc/?documentId=1003127
[3] https://dogc.gencat.cat/ca/document-del-dogc/?documentId=912054
[4] https://dogc.gencat.cat/ca/document-del-dogc/?documentId=982194
[5] http://coac.arquitectes.cat/es/javascript%3Ahistory.back%281%29