R-L: Kaduna State Governor, Mallam Nasir El-Rufai; his Lagos State Counterpart, Mr. Babajide Sanwo-Olu; The Doyen of Taxation in Nigeria, Chief David Olorunleke and President/Chairman, Chartered Institute of Taxation Of Nigeria (CITN), Dame Gladys Olajumoke Simplice, during the 22nd Annual Tax Conference of the Chartered Institute of Taxation Of Nigeria (CITN) at Eko Hotel & Suites, Victoria Island on Thursday, November 5, 2020.