Porcedda, who sacked coach Franco Colomba a day before the start of the league campaign, only bought Bologna in the close season but put them up for sale last month given the financial difficulties. Bologna stay in 16th place after 13 games but drop to 13 points. The league is also probing the non-payment of players' wages at the club.
Bologna lose point over unpaid taxes
Serie A side Bologna have been deducted one point and owner Sergio Porcedda banned from football for six months because of unpaid taxes.