Actually, the Courts will decide U&A. That is a legal issue. QIN and Skok could negotiate, but even that would have to filed with the Court unless QIN issues an invitation.
That shares are to Indians, not even to a specific Tribe. QIN could cork them and Skok would have to take them to court. Fortunately, the State has no authority in this issue. They could, out of the goodness of their desired campaign donations, offer up some of the NI share. The parties cam agree to whatever they want to.