Real estate development companies have a particularity in their bookkeeping. Because of their construction development activity, they are subject to the application of the provisions of the Developer's Accounting Plan (PCPC), which are significantly different from those of the General Accounting Plan. The method chosen by the real estate group studied is the percentage of completion method. This manual will enable you to deepen your knowledge of long-term contracts through applications adapted to the Developer's Accounting Plan. The progress method in real estate development has its own particularities for this type of contract. The purpose of this manual is to answer the following question: How to define the best financial information for a real estate development operation?