Walk Off Grand Slam

[MOofficial]

Had a first last night.

Bottom of the 8th, 4-4 game, 2 outs girl hits a walk off grand slam to win it.

Now my "what if" questions:

What if the batter doesn't touch all the bases and stops between 1st and 2nd to celebrate?

What if one of the girls on base misses a base in their advancement towards home and the defensive team properly appeals?

What if the BR doesn't touch home plate?

If someone could give me a rule reference and an answer to these that would be great. Fortunately none of this happened but as soon as my partner and I got back to the car we both looked at each other and asked the same exact question.

Thanks!