Fine Gael MEP Sean Kelly has said Senator Ivor Callely should be forced to pay a penalty, as well as the money he claimed in expenses.
The Seanad Committee on Members' Interests found that the Fianna Fáil senator had intentionally misrepresented his holiday home in Cork as being his primary residence to claim expenses of over €80,000.
He has been suspended from the Seanad for 20 sitting days.
Munster MEP Kelly said Senator Callely should have to pay a penalty as well.
"If an ordinary person cheated in some way or other they would be fined," Kelly said.