Joanna Tuffy (Dublin Mid West, Labour) | Oireachtas source

They usually do not press the amendment. My experience is that if Deputies want to repeat an amendment, they would withdraw it. Deputies are not allowed to repeat an amendment. Deputy O'Brien might be making some changes to the amendment, but if the substance of it is still there, he would be in danger of having it ruled out of order. The main thing is that he gets to press the amendment again.