You can apply for viewing. Lawyers may apply to the people's court to collect relevant evidence. The entrusted lawyer may, according to the needs of the case, apply to the people's procuratorate or the people's court to collect and obtain evidence or apply to the people's court to notify witnesses to testify in court. If a lawyer investigates and collects evidence by himself, he may, with the lawyer's practice certificate and the certificate of the law firm, investigate the situation related to undertaking legal affairs with the relevant units or individuals. The court has the right to investigate all the bank accounts of the plaintiff. According to the application or execution needs of the parties, the court may investigate the account opening of the parties to the bank, and the bank has the legal obligation to assist the court in the investigation. If it does not assist in the investigation, the court can impose civil sanctions.

People's Republic of China (PRC) Civil Code

Article 165 If the power of attorney is in written form, it shall specify the name of the agent, the matters to be represented, the authority and the time limit, and shall be signed or sealed by the principal.

Article 919 An entrustment contract is a contract in which the principal and the agent agree that the agent shall handle the principal's affairs.

Article 920 The principal may entrust the agent to handle one or more specific affairs, or may entrust the agent to handle all general affairs.