narges meghazi of sada news and yes , we have seen the report, we also got acquainted with the general implementation of this law, but in order to know more details about the implementation of this law, we invited the spokesperson tax affairs organization and head of regulatory regulatory center , mr. mohadi, hello, welcome to the economy desk . please tell me the process of connecting the companies to the maadiyan system separately, and tell me how many electronic invoices have been issued so far. yes, i am at your service. according to the requirement of the basic law, no shops and the moadiyan system , we have considered calls for different maadiyan to join the system. the makers of these calls it started from november last year, that is, from november 1401. in the first call, which took place on november 1, 1401, we witnessed the entry and connection of stock exchange companies, that is, in fact, we called for the connection of review and non-exchange companies to the modian system. on the first of dayah, in fact, we called the government companies and from april 1 , 1402, we calle