the obligation of advance-seller to production and completion of building and its sanction in building advance-sale act and its comparison with civil code

extension of the building advance-sale contracts on the one hand, and inadequacy of the provisions of the civil code on protection of  building advance-buyers before making its completion, on the other, consequently causing many problems for people in the community (society), has forced the legislature to pass the building advance-sale code in 2010. the parties of these contracts are called advance-seller and advance-buyer. enactment of the mentioned code is the basis of developments in buildings sale. among these developments, one can name: the anticipation of delay penalty if the obligations are not done timely (duly) by the advance-seller, necessity of arrangement of the official documents for building advance-sale, interpolation codes points in contract and another different sanctions from sanctions in civil code. one of the most important obligations of advance-seller is the obligation to production and completion of building based on the conditions of contract and in the determined time. in this article, we will examine the advance-sellers obligation to production and completion of building and its sanction in building advance-sale code and compare it with civil code to explain the developments created in this area.