644. If a succession includes perishable things, the successor may, before the designation of a liquidator, sell them by agreement or, if he cannot find a buyer in due time, give them to charitable institutions or distribute them among the successors, without implying acceptance on his part.
He may also alienate movable property which, although not perishable, is expensive to preserve or is likely to depreciate rapidly. In this case, he acts as an administrator of the property of others.