Individual industrial and commercial households need to hold a business license, an ID card of the agent, and an impression of the special seal for invoices made according to the style specified by the competent tax authorities in the State Council to go through the invoice purchase procedures with the competent tax authorities. The purpose of applying for UKey in the bank is to use it in online banking or mobile phones. You need a bank card to apply for online banking or mobile phone, so you must bring a bank card registered with online banking or mobile phone banking when you receive UKey.