I think there will have to be a compulsory element to this.
There will have to be a tax, but I am not optimistic about it working.
There was an attempt to put a special tax on Bankers bonuses.
Ireland to reintroduce 90% bank bonus tax | Business | guardian.co.uk
It had to be withdrawn as it could not be finalised in time.
Unfortunately, the lawyers could have a field day with any proposed tax.
Mehole would have a better chance of getting turkeys to vote for Christmas than getting that useless bunch of freeloading wasters to agree (to pension handback/reduction). We have already seen the legacy these imbeciles have bequeathed us.
Fianna FFools - bankrupting Ireland since 1926.