They have already stopped it and they have not at the same time.
If your account was active after a set date, you account will NOT go inactive until they finish moving the boxes about there new house. However, if you'r account was inactive at the set date, your account will follow the normal rules for inactive accounts (house decay, cant play, etc). You can always call them and ask to reactive you'r account if you what to play it and they might charge you for the honour.
No, I do not know what the set date is/was. I think it was about the start of this month.