75 Kenya Revenue Authority (KRA) staff were arrested on Friday on suspicion of abetting tax evasion and bribery.
The move is the latest effort by KRA and the Office of the Director of Public Prosecution in the fight against corruption.
“Investigations into the rackets have been in progress for the last four months with covert assistance provided by national law enforcement agencies to help in trailing money and communication,” a statement from KRA said.
The 75 suspects have not been charged and are being questioned, the statement added.
DPP Noordin Haji later released a statement saying a number of them are alleged to have colluded with certain individuals to evade payment of taxes and reduce tax liability.
Haji revealed that out of all the senior and middle level management officers under investigation, 62 of them are from the Domestic Taxes Department and 18 are from the Customs and Border Control Department.