§ 6. Deputy commissioners. The commissioner may appoint and at
pleasure remove such deputies and other officers and assistants as he
may find necessary, and assign them the work which shall be under their
respective supervision, and fix their compensation within the amounts
appropriated therefor, subject to the approval of the director of the
budget. Each of such deputies, officers and assistants shall be a
person qualified by training and experience for the performance of the
duties so assigned to him.