Illegal Sub/Participation/Formation?

[NWMORef]

Originally Posted by Jim D

This is a foul for illegal formation. It is 7-2-1 "after the ball is ready for play...each substitute must have been, momentarily, between the 9-yard marks, befor the snap." The legality of an offensive formation in not, in any way, dependent of whether the defense has the sub covered.

I don't think that 7-2-1 applies because the ball will not be snapped.
It would be IP (9-6-4e) if subtitute would enter immediately before the free kick. Other wise you don't anything.
In side or outside the 9 yrd mark has no bearing on a free kick.