Some officials of the FIRS have reportedly been arrested by the EFCC for alleged fraud.
It was reported that N6 billion tax fund meant for the federal government has been diverted.
The EFCC also confirmed the arrest of the officials.
Nine senior officials of the Federal Inland Revenue Service (FIRS) have reportedly been arrested by operatives of the Economic and Financial Crimes Commission (EFCC).
According to AriezNaija News, the officials were arrested over the illegal diversion of N6 billion tax funds that should have gone to the Nigerian government.
It was reported that the director of finance and accounts of the FIRS, Mohammed Auta is one of those in detention.
Another director of the agency, Peter Hena, is also alleged to be involved in the scandal.
Hena is reportedly out of Nigeria but sources within the anti-graft agency reportedly said he would be arrested when he returns.
It was learnt that most of the other affected officials are from the finance and account department of the FIRS.
All the officials have been in the EFCC detention since April 1.
The EFCC spokesperson, Orilade Tony, confirmed the detention of the officials.