1. The official letter between the court and the judicial bureau shall be delivered according to normal procedures, or sent by registered mail or directly.
2. As a party to the investigation letter, of course, you can't take it yourself, nor can you send it to the Judicial Bureau yourself. Investigation before community correction is a very serious matter, which can be urged by lawyers or others.
Extended data:
Can the court write an investigation letter to the lawyer?
In principle, the client can read the information obtained by the lawyer. However, lawyers have the obligation to keep confidential information involving state secrets. According to the provisions of Article 38 of the Lawyers Law, lawyers should keep state secrets and business secrets they know in their practice activities, and must not disclose the privacy of their clients. Lawyers should keep confidential the information and materials that their clients and others are unwilling to disclose in their practice activities. However, criminal facts and information that endanger national security, public safety and other serious personal and property safety of others are not included.