Accept the penalty, decline the shots?

[Nevadaref]

I think that a nice change would be to allow any player on the floor to shoot the free throws for a foul committed by a team that is trailing in the last 2 minutes of the fourth quarter (2nd half for NCAA or Mass. HS) or any OT period.

I also believe that the option of choosing to keep possession instead of shooting free-throws was an international rule that was used in the olympics in the late 80s.