Is it permissible to pay Zakah (poor-due) to the Islamic centers so as to help provide expanses necessary for the continuity or enlargement of the Islamic mission, even if there have been no debts on those centers?

It seems to me that it is allowed to pay Zakah to the Islamic centers that are in need for that, whether to help running them or paying their debts, but if Allah makes them free of want out of His grace; by means of having an income from their endowments enough for their needs or they become under the supervision and charge of one of the governments or any other bodies, they do not have the right in this case to wrongly take the money of the poor, because alms are not entitled for the strong and rich