Search to the Cloud Tax Office of the State Taxation Bureau of this province, "real name registration"-enter relevant information according to the prompt-log in to the Cloud Tax Office-my account center-my enterprise, and you can see the information of the financial controller and tax collector. Article 16 of the Law on the Administration of Tax Collection stipulates that taxpayers engaged in production and business operations shall, within 30 days from the date when the administrative department for industry and commerce handles the registration of change, or before applying to the administrative department for industry and commerce for cancellation of registration, report to the tax authorities for change or cancellation of tax registration with relevant documents.