Coaches on field- live ball foul?

[Opie]

I'm with Warrenkicker here, except if a coach is on the field and gets in my way to where I have to go around him or I run into him, that may earn a sideline interference flag from me - which is a succeeding spot enforcement.

[Stripe]

In that case Opie, where you haven't issued a warning yet but the coach gets in the way during a play and you flag him for sideline interference, do you go with a 15 yarder?

[Opie]

If the coach is on the field and I run into him, and the play is to my side, yes, 15 yards, no warning.
Hopefully you don't have to do this and you've given the warning earlier. And where the play is on the other side, I probably tell the coach something like "coach, I had to go around you because you were on the field. Please stay back in the future to avoid a sideline interference flag." Coaches usually appreciate this.

[ljudge]

Technically speaking, "letter-of-the-law" enforcement on this is always 15 yards. The warning, followed by a 5-yarder, followed by 15-yarders is when a coach is outside the team box, but not on field. e.g.: standing on the 20 yard line beyond the sideline

I have typically given warnings as well but if we all enforced it the way the fed wants us to it would probably put an end to coaches encroaching on the field.