According to the order, J B Mohapatra, holding the additional charge of CBDT chairman, will have the "substantive" charge of member investigations, which has superintendence over the country-wide probe wings, intelligence and criminal investigation directorates of the tax department.
Present chairman Prakash Chandra Mody, a 1982-batch Indian revenue services officer, will retire today. Mody was appointed chairman in February 2019. He was reappointed as chairman last year and was given a three-month extension in March this year, which ended today.