M. Pizzullo et. al., L'agente immobiliare. Guida per l'esame e la professione, 2016, p. 618, cpv. 5.3, lett. A ([Internet, 2017-06-12](https://books.google.ch/books?id=-mwgDAAAQBAJ&pg=PA616&lpg=PA616&dq=%22modifica+planimetrica%22&source=bl&ots=RnN12IY4P2&sig=T3sJaCg5nNO3H4lDMsyxDr6jGbc&hl=de&sa=X&ved=0ahUKEwj52fvirrjUAhWBBBoKHTPSCH44ChDoAQhDMAg#v=onepage&q=%22modifica%20planimetrica%22&f=false))