contracts , which were later approved by the imam and were proposed as the law of banking without riba , are very correct, authentic, and also worked . thank you, haj mr. rezaei. it was mentioned that how many changes could be made in the program it should be essential in the country's banking system and help the country's economy to serve you what came in the banking law, both the central bank and various tools for production, for buying and selling, for the agricultural sector, for the industry sector , the central bank's policymaking power and in the policy of the whole time of the government, until the time when we work in agriculture , which produces limited production in the industrial sector and producers, if it is the time of trade , you can use the mudaraba contract , there is a date, they use it, they found a new format and make yourself very small islamic and global countries are global markets that must be new , the interest of the respected experts of the central bank is a tool for the country's banking in this experience, our initial experience in the world .