How to share the maintenance cost according to the facts when the property and the industry Committee sign the contract?

Principle of sharing the maintenance cost of facilities and equipment in the * * * part of the commodity house: if the whole commodity house uses the * * * equipment in the * * * part for maintenance, it will be shared by the owner according to the proportion of the construction area of the commodity house; Where each unit shares parts and equipment maintenance, it shall be shared by the owners in the unit according to the proportion of commercial housing construction area; The maintenance of facilities and equipment in the property management area shall be shared by all owners according to the proportion of the construction area of commercial housing.