1)
When is "li'Sheloshes Yamim"?
1.
Rashi: At the end of the three days.
2)
What authorized them to make Cherem the property of one who will not come?
1.
Gitin 36b: Hefker of Beis Din is Hefker.
2.
Malbim: Because the Klal consented, they could do so (refer to 10:3:1:1).
