was launched at the beginning of this path, the maadian system, the maadian system started working in hamdaleh, and gradually from november 1, 1401, it was possible to send electronic invoices from my legal entities, from stock and over-the-counter companies, government companies and other legal entities. he made his preparations. new information from this system shows that among the 317 state-owned companies of the ministry of energy, 54 belong to the ministry of mining industry trade, 38%, ministry of jihad, agriculture, 25%, ministry of oil, 12% , and ministry of roads and urban development, 5%. connected to this system and issued electronic invoices, and we are subsidiary companies of the ministry of cultural heritage and tourism. and handicrafts of the ministry of defense and armed forces support, radio organization, atomic energy organization did not send any invoices in this system. if we have stock and over-the-counter companies and they do not become members of the maadian system , they will be deprived of tax exemptions, zero rate and other restrictions of the direct taxes law. these