The man, who is in his mid 40s, was arrested this morning.
Gardaí in the midlands have arrested man in relation to deception and money laundering charges of €100,000.
He was arrested at around 7.30 this morning at Corboy in Longford.
The Garda investigation is being carried out with assistance from the Criminal Assets Bureau.
The man in his 40s is being held at Longford Garda Station.