Legal basis: Article 28, paragraph 7, of the Lawyers Law of People's Republic of China (PRC), lawyers can engage in the business of answering legal inquiries, writing litigation documents and other documents related to legal affairs, that is, lawyers are authorized by law to issue lawyers' letters.
Measures for the Administration of Lawyers' Practice Article 32 When issuing legal opinions, lawyers shall perform their duties in strict accordance with the law and ensure the authenticity and legality of the opinions. Lawyers providing legal advice and writing legal documents on their behalf should be based on facts, take the law as the criterion, and meet the requirements of legal advice rules and the style and format of legal documents.