i just found a piece on it from the independent last year
"Marriage is constitutionally protected in Ireland and this makes if very difficult to criminalise the act of marriage, notwithstanding the motivation behind it," one official said.
"Therefore, the best means of combating it comprises a combination of legislation, intensive investigation and co-operation across EU governments."
A recent High Court judgment has also restricted the measures that could have been taken by the gardai in the past.
In 2001, there were 20 applications here for residency based on marriage to an EU national. But the total increased to 2,700 within nine years.
An investigation into marriage patterns in 2010 found applications for residency based on marriage to a Latvian spouse from 116 Pakistani nationals, 13 Nigerians and 36 Indian nationals.
Irish Independent"
So thats the flaw, a marriage proved to be fraudulent cannot be reversed in irish law but can in other eu countries. Surely this needs to goto referendum immediately to be taken out as soon as possible. Also if it has been known about for a long time why is it only now that it is being highlighted.