The arrest was carried out as part of Operation Lakefront.
It was conducted by detectives from the Anti Corruption Unit attached to the Garda National and Economic Crime Bureau in Kildare.
It's the second arrest as part of the investigation.
The woman picked up for questioning today has been taken to Naas Garda Station.
Greystones Man Given Suspended Sentence Following Sustained Campaign Of Abuse
Appeal for Information As Rathdrum Man Reported Missing
Wicklow House Prices Stabilise As Increased Supply Takes Heat Out Of Market
Magnificent Comeback Kings Wicklow Book National Final Date After Tailteann Heroics
Calls for Conference Backed By US Billionaire Peter Thiel To Be Blocked From Wicklow