such as the late ayatollah hashemi shahroudi, the late ayatollah seyyed kazem haeri, the late ayatollah esfahani, the late ayatollah ahmadi mianji , the late ayatollah seyed jafar karimi, who were all students of the great authorities of the time of the students of the imam they came and worked and made a series of valid shariah contracts . the famous contract is the mudaraba contract participating in mazzere competitions and 13 very good titles, of course, in the later stages, it was added together with ard mera and hazrat imam became the basis for us in the future to the revolution hall for the year 63. it is a foundation that could not be improved in the future . be updated, yes, that is, the imam, with the formation of the jurisprudence council, as he says, because the economy is changing day by day, every day in the contract economy, new conditions come into existence, and we have a jurisprudence council in the central bank, which today , alhamdulillah, this jurisprudence council is very much a council. it is a good jurisprudence and it really works, according to the authority he has the su