Hello, I'm glad to answer your question. Usually three years. Related information: 1. The validity period of interactive authorization of electronic tax bureau is generally three years. If your information and qualifications are safe, it can be long-term, but the probability of long-term is very small. Taxpayers can log in to the "interaction between bank and tax" area of electronic tax bureau, which can not only clearly inquire and choose credit products issued by banks independently; At the same time, it solves the problem that newly established taxpayers and taxpayers with loan needs have not opened accounts in banks, and meets the loan needs of taxpayers without contact and running errands. In addition, the platform has also added functions such as information query and authorization management. According to the authorization of taxpayers, banking institutions can self-check common tax-related information including basic information of taxpayers, tax credit, tax declaration and collection, unpaid taxes, illegal acts and so on. And timely obtain risk behaviors such as credit rating reduction and tax violations of credit granting enterprises, provide support for post-loan management, and reduce financial risks. 2.: 1 Flexible and convenient. Now "Bank-Tax Interaction" can realize direct data connection online, and customers can apply online and apply for loans online. Enterprises applying for channels can inquire about their credit products and apply through bank outlets and online banking, and some local tax authorities also provide application channels for electronic tax bureaus. Specific circumstances,