Consumer’s legal protection in the sale and purchase of flats in the pre-project selling system

Flats are multi-storey buildings that will be inhabited by many people, so it is necessary to guarantee the security, safety, and enjoyment of the residents. Sales of flats (apartments) with a pre-project selling system, it is certain that the flats (apartments) have not been built so that PPJB in pre-project selling is considered a savior for developers, while for consumers it will be proof of ownership that will be held by consumers before building flats (apartment) finished building. This paper, it is aimed to develop a normative juridical approach to conceptualize the consumer’s legal protection in the sale and purchase of flats in the pre-project selling system. The approach of the study for answering the problem is based on a set of approaches including statutory and conceptual, case, and finally a comparative one