Legal basis: Article 31 of the Regulations on Letters and Visits, when handling letters and visits, the administrative organ that has the right to handle it shall listen to the facts and reasons stated by the complainant; When necessary, the complainant, relevant organizations and personnel may be required to explain the situation; Need to further verify the situation, can be investigated to other organizations and personnel. Hearing can be held for major, complicated and difficult letters and visits. The hearing shall be held in public, and the facts shall be ascertained and the responsibilities shall be clearly defined by means of inquiry, debate, appraisal and collegiate bench. The scope, moderator, participants and procedures of the hearing shall be stipulated by the people's governments of provinces, autonomous regions and municipalities directly under the Central Government.