Apartment Problem - The Problem of Community Fee -Ⅰ

Community fee is occupants paying for community management as hiring a security guard, wishing stairs, and some things like that.
If a person just bought a second-hand apartment, and days later, the community management committee asks the person to pay the community fee for the payment which is not paid by the ex-owner. Does the person should pay it or not?
In this case, the person usually does not have any responsibility to pay it, because the payment is happened before the person buying the apartment.But if someone bought the foreclosed apartment from an auction of the court, the situation might be different.It depends on the publication of the court, if it was announced the buyer has the responsibility to pay the community fee which is not paid by the owner then the buyer has to pay it. In the opposite side, if it was not announced, the buyer does not need to pay it. So when we want to buy a foreclosed apartment from an auction of the court, we have to see the publication carefully.