Islam emphasizes all social issues, especially healthy economic relations. What has led to the need to examine and address the issues of contracts in Islam and the contracts of support in Islamic banking, is the existence of various contracts in the society. In this research, it is tried to examine the compatibility of the contracts of support in Islamic banking with the contractual and religious principles recommended in Islam, after defining and clarifying the contracts and principles in the verses of the Holy Quran and explaining its nature. Identifying types of contracts, examining the foundations of legitimacy and clarifying their pillars and effects in support contracts in Islamic banking, and observing all aspects of it in current affairs of the bank have been done. The main question of the present research is to what extent Bank Shahr support contracts comply with the provisions of the recommendations and orders in Islamic contracts. In this regard, five types of contracts used to support Bank Shahr have been investigated in order to comply with the recommended conditions in the Quranic verses of the Holy Quran. The research method in this study is integrated content analysis. The research findings showed that in three types of banking contracts -purchase of items, design, procurement and commissioning of equipment, service and maintenance of equipment-, up to 82% of compliance and in two types of contracts - assignment of interests and the right to exploit land and lease property-, there is up to 91% compliance with Islamic conditions and recommendations for contracting.
