| B.—Jurisdiction   Jurisdiction  of income-tax authorities.   120. (1)  Income-tax authorities shall exercise all or any of the powers and perform all  or any of the functions conferred on, or, as the case may be, assigned to such  authorities by or under this Act in accordance with such directions as the Board  may issue for the exercise of the powers and performance of the functions by all  or any of those authorities.   Explanation.—For  the removal of doubts, it is hereby declared that any income-tax authority,  being an authority higher in rank, may, if so directed by the Board, exercise  the powers and perform the functions of the income-tax authority lower in rank  and any such direction issued by the Board shall be deemed to be a direction  issued under sub-section (1).   (2)  The directions of the Board under sub-section (1) may authorise any other  income-tax authority to issue orders in writing for the exercise of the powers  and performance of the functions by all or any of the other income-tax  authorities who are subordinate to it.   (3)  In issuing the directions or orders referred to in sub-sections (1) and (2), the  Board or other income-tax authority authorised by it may have regard to any one  or more of the following criteria, namely :— (a)   territorial area; (b)   persons or classes of persons; (c)   incomes or classes of income; and (d)   cases or classes of cases.   (4)  Without prejudice to the provisions of sub-sections (1) and (2), the Board may,  by general or special order, and subject to such conditions, restrictions or  limitations as may be specified therein,— (a)   authorise any Principal Director General or Director General or Principal  Director or Director to perform such functions of any other income-tax authority  as may be assigned to him by the Board; (b)   empower the Principal Director General or Director General or Principal Chief  Commissioner or Chief Commissioner or Principal Commissioner or Commissioner to  issue orders in writing that the powers and functions conferred on, or as the  case may be, assigned to, the Assessing Officer by or under this Act in respect  of any specified area or persons or classes of persons or incomes or classes of  income or cases or classes of cases, shall be exercised or performed by an  Additional Commissioner or an Additional Director or a Joint Commissioner or a  Joint Director, and, where any order is made under this clause, references in  any other provision of this Act, or in any rule made thereunder to the Assessing  Officer shall be deemed to be references to such Additional Commissioner or  Additional Director or Joint Commissioner or Joint Director by whom the powers  and functions are to be exercised or performed under such order, and any  provision of this Act requiring approval or sanction of the Joint Commissioner  shall not apply.   (5)  The directions and orders referred to in sub-sections (1) and (2) may, wherever  considered necessary or appropriate for the proper management of the work,  require two or more Assessing Officers (whether or not of the same class) to  exercise and perform, concurrently, the powers and functions in respect of any  area or persons or classes of persons or incomes or classes of income or cases  or classes of cases; and, where such powers and functions are exercised and  performed concurrently by the Assessing Officers of different classes, any  authority lower in rank amongst them shall exercise the powers and perform the  functions as any higher authority amongst them may direct, and, further,  references in any other provision of this Act or in any rule made thereunder to  the Assessing Officer shall be deemed to be references to such higher authority  and any provision of this Act requiring approval or sanction of any such  authority shall not apply.   (6)  Notwithstanding anything contained in any direction or order issued under this  section, or in section  124, the Board may, by notification in the Official Gazette, direct  that for the purpose of furnishing of the return of income or the doing of any  other act or thing under this Act or any rule made thereunder by any person or  class of persons, the income-tax authority exercising and performing the powers  and functions in relation to the said person or class of persons shall be such  authority as may be specified in the notification.     |