Power  to collect certain information.
133B. (1)  Notwithstanding anything contained in any other provision of this Act, an  income-tax authority may, for the purpose of collecting any information which  may be useful for, or relevant to, the purposes of this Act, enter—
(a)  any building or place within the limits of the area assigned to such authority ;  or
(b)  any building or place occupied by any person in respect of whom he exercises  jurisdiction,
at  which a business or profession is carried on, whether such place be the  principal place or not of such business or profession, and require any  proprietor, employee or any other person who may at that time and place be  attending in any manner to, or helping in, the carrying on of such business or  profession to furnish such information as may be prescribed.
(2)  An income-tax authority may enter any place of business or profession referred  to in sub-section (1) only during the hours at which such place is open for the  conduct of business or profession.
(3)  For the removal of doubts, it is hereby declared that an income-tax authority  acting under this section shall, on no account, remove or cause to be removed  from the building or place wherein he has entered, any books of account or other  documents or any cash, stock or other valuable article or thing.
 
Explanation.—In  this section, "income-tax authority" means a Joint Commissioner, an  Assistant Director or Deputy Director or an Assessing Officer, and includes an  Inspector of Income-tax who has been authorised by the Assessing Officer to  exercise the powers conferred under this section in relation to the area in  respect of which the Assessing Officer exercises jurisdiction or part thereof.