My first attempt, so cut me slack for any crass mistakes:
This World Assembly:
Pointing out crime prevention is a legitimate and ever-necessary concern;
Noting that in the pursuit of that goal, nations can resort to barbaric practices such as the cutting of limbs, even for petty crimes;
Disgusted at this perversion of justice;
Therefore:
Forbids any kind of mutilation as criminal punishment.
My research so far indicates that category/strength is paramount to even initiate one of these. From what I've read, I'd go along with Human Rights, significant.


