Appointment  of income-tax authorities.
 
117. (1)  The Central Government may appoint such persons as it thinks fit to be  income-tax authorities.
 
(2)  Without prejudice to the provisions of sub-section (1), and subject to the rules  and orders of the Central Government regulating the conditions of service of  persons in public services and posts, the Central Government may authorise the  Board, or a Principal Director General or Director-General, a Principal Chief  Commissioner or Chief Commissioner or a Principal Director or Director or a  Principal Commissioner or Commissioner to appoint income-tax authorities below  the rank of an Assistant Commissioner or Deputy Commissioner.
 
(3)  Subject to the rules and orders of the Central Government regulating the  conditions of service of persons in public services and posts, an income- tax  authority authorised in this behalf by the Board may appoint such executive or  ministerial staff as may be necessary to assist it in the execution of its  functions.