Links:
[1] https://www.arquitectes.cat/ca/suport/informe-previ-patrimoni-ajuntament-barcelona
[2] https://ajuntament.barcelona.cat/hisenda/sites/default/files/normativa/2021-01/3.3-taxes-per-serveis-urbanistics.pdf
[3] https://seuelectronica.ajuntament.barcelona.cat/oficinavirtual/ca/tramit/20120001024
[4] https://www.arquitectes.cat/ca/javascript%3Ahistory.back%281%29