President Muhammadu Buhari has sworn-in Mr Elias Mbam as chairman of the Revenue Mobilisation and Fiscal Commission (RMAFC).
Mr Mbam was sworn-in on Thursday when President Buhari presided over the swearing-in event, which was held at the Council Chambers in Abuja.
Twenty-nine others were also sworn-in as members of the Commission.
President Buhari during the swearing-in charged the newly-appointed officials to to seek new ways of revenue generation and put a stop to leakages of government resources.
He also reminded them of the need to be fair and just to all arms of government.
The newly-appointed officers were duly screened and confirmed by the Senate.