[Dutch Alex]

Here in Europe we play mostly unders ESF-rules, which are the same as ISF. At the clinics we get the ISF rulebook, which we have to use...

For an "Intentional walk" the pitcher has to announce, however mostly it is the coach who informs the catcher. Who has to tell the pitcher, who will tell the PU. So to speed up, we allow the coach and the catcher also to announce the Intenional.
At that point, call dead ball/time out and give the batter first base. Only runners advance if forced...
Don't forget to inform the official scorer!

For the umpire uniform: I don't think the game was under the ISF-flag. You can play by it rule-set, but the ISF sure didn't call the umpires to work this game. It's a friendly/practice game, not one in a ISF-tournament (such as Olympics or WorldChampionship). So the umpires can wear what they want...
Tomorrow (Sunday) Paddy and I will work a game between the Dutch Olympic-team against a Dutch Allstar team. Not under the ESF-flag, playing by the ISF-rules set, but we will wear our dutch uniform. But we can also chose to wear our ESF-uniform...

About Abbott's IP. I don't know, never saw her pitch. However before separating the hands F1 has to stand still for 2-5 sec's. The IP can be for violatiing this rule, not the full 2 sec's... So that would be a quick-pitch. I see that a lot with USA-pitcher who come over to Holland. The first view weeks you have to call IP frequently on them, after that they know an adjust...