
Hong Kong Mainland Interim Assistance Arrangements for Onshore Property Preservation
The 2019 Arrangement allows parties in Hong Kong institutional arbitrations to freeze Mainland assets ex-parte by securing local preservation insurance.
Formal judicial communications sent by a court in one jurisdiction to the competent authority of another facilitate the collection of evidence or the service of process across international borders. The letter of request is a fundamental instrument of international judicial assistance that allows a local judge to seek the help of a foreign court in matters that are beyond their own territorial reach. In the context of the mainland, this mechanism is often used to obtain testimony from witnesses located overseas or to secure documents held by foreign companies.
It is also a key component of the arrangements between the mainland and Hong Kong for the preservation of assets during arbitration. The document outlines the specific assistance needed, the background of the case, and the legal basis for the request. It relies on the principle of comity or specific treaties such as the Hague Evidence Convention.
This formal channel ensures that the evidence obtained is legally valid and can be used in the requesting court’s proceedings.
Drafting a letter of request involves a detailed and precise description of the assistance being sought to ensure that the receiving authority can fulfill the request correctly. The document must include the names and addresses of all parties involved in the dispute and a summary of the facts of the case. It must clearly state the nature of the evidence required, such as the specific documents to be produced or the questions to be answered by a witness.
If the request is for the service of process, it must include the legal papers to be delivered and the deadline for the response. The language of the request is also important, as it usually needs to be translated into the official language of the receiving country. The requesting court must also certify that the assistance is necessary for the fair resolution of the case.
This level of detail is necessary to avoid misunderstandings that could lead to the rejection of the request by the foreign authority. The accuracy of the letter determines the speed and success of the international cooperation.
Processing a letter of request follows a structured institutional path that often involves the central authorities of both the requesting and receiving jurisdictions. In the mainland, the Ministry of Justice or the Supreme People’s Court acts as the central hub for outgoing and incoming requests. When a local court needs assistance from a foreign country, it sends the letter to the central authority, which then transmits it to its counterpart in the other nation.
This centralized system ensures that all requests comply with national policy and international treaties. It also provides a layer of diplomatic and legal review before the request reaches the foreign court. In the case of Hong Kong arbitration, the letter is issued by the arbitration institution and sent directly to the intermediate people court in the mainland.
This streamlined institutional channel is a unique feature of the regional legal framework, designed to provide faster assistance than the standard international route. The efficiency of these channels is a major factor in the effectiveness of cross-border litigation.
Acting upon a letter of request requires the receiving court or authority to use its own legal powers to obtain the requested evidence or perform the service. The local court will follow its domestic procedures to summon witnesses, order the production of documents, or deliver legal papers to the respondent. If a witness refuses to cooperate, the court may use its enforcement powers to compel testimony, provided this is allowed under local law.
The evidence collected is then packaged and sent back through the same institutional channel to the requesting court. It is important to note that the receiving court will not perform any act that would violate its own laws or public policy. For example, a court might refuse to provide evidence that is considered a state secret or is protected by professional privilege.
This respect for local sovereignty is a core principle of international judicial assistance. Once the evidence is received, the requesting court can use it as part of its trial or arbitration proceedings. Letter of request remains the essential tool for overcoming jurisdictional boundaries in the global legal system.

The 2019 Arrangement allows parties in Hong Kong institutional arbitrations to freeze Mainland assets ex-parte by securing local preservation insurance.
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