"This government considers any misconduct by tax officials unacceptable. We are acting to hold people accountable."
In a message to all CRA employees, obtained by CBC News, tTreuschhow the cheque was issued to Rizzuto have turned up "no criminal wrongdoing."
Treusch still decided to to the Security and Internal Affairs Division for an "independent and immediate review."
His order was made with instructions that the division share information about any criminal behaviour with police.
"If any information revealed by this investigation gives rise to questions of possible criminal behaviour, I have given direction that it be shared immediately with law enforcement officials," Treusch sais in his message.