①Regarding the sales agreement for a Building Lot or building for which the Real Estate Broker constitutes the seller, on grounds of the non-fulfillment of obligations by a party governing the cost of liquidated damages or penalties for breach of agreement tied to the cancellation prescribed therein, the sum of said amount in said provision must not exceed two-tenths of the amount of the price of said Building Lot or building.

②The portion corresponding to any special provision that contravenes a provision of the preceding paragraph exceeding two-tenths of the amount of the price of said Building Lot or building is hereby invalidated.