| (a) | - | any place within the limits of the area assigned to him, or |
| (b) | - | any place occupied by any person in respect of whom he exercises jurisdiction, or |
| (c) | - | any place in respect of which he is authorised for the purposes of this section by such income-tax authority, who is assigned the area within which such place is situated or who exercises jurisdiction in respect of any person occupying such place, |