(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.
