they know the unique id, they ask a web service darqan, who has a license for this national code in this postal code , has a license. if the knowledge is taken, it will answer. if he doesn't have one, he says no , he doesn't have this license. according to the license law, it means a unique identifier. to get a unique license. electronics can be used even with a mobile phone. people can enter the national portal of licenses themselves and receive one in less than two minutes by entering three codes. the three numbers that must be entered in the national license portal are the serial number of your national card, the license id that has already been issued to you, the postal code of the place of business. when you get the trade license, you enter it, we were doing it now. be converted to electronic and after that time the paper permits will not be valid. zahra shafiei, sed and sima news agency. dear viewers, we have reached the end of economic news. thank you for your support, dear ones. good afternoon and god bless you. in the name of god, i say hello to you , dear viewers of khabar netw