All taxes imposed by this act¹ shall be a lien upon the franchises and property, both real and personal, of corporations, companies, associations, joint-stock associations and limited partnerships, from the time the said taxes are due and payable; and whenever the franchises or property of a corporation, company, association, joint-stock association or limited partnership shall be sold at a judicial sale, all taxes due the Commonwealth shall first be allowed and paid out of the proceeds of such sale, before any judgment, mortgage or other claims which shall be entered of record or become a lien after the passage of this act.