39 2. A request for the preservation of information made under paragraph 1 of this Article shall specify: (a) the name of requesting authority; (b) the summary of basic facts, nature of investigation, prosecution or judicial proceedings to which the request relates; (c) the electronic information to be preserved and its relationship to the said offence; (d) any available data identifying the custodian of the information or the location of the ICT device; (e) the rationale for the preservation of information; (f) a message that the State Party intends to submit a request for search, seizure or similar preservation of this information within the framework of mutual legal assistance. 3. Upon receiving the request from another State Party, the requested State Party shall take appropriate measures to preserve expeditiously the information specified in paragraph 1 of this Article in accordance with its domestic law. The requested State party may execute in whole or in part the request to ensure the preservation of information even if the act giving ground for a request is not criminalized in the requested State Party. 4. A request for the preservation of information may be refused if the requested State Party considers that execution of the request can prejudice its sovereignty, security or other essential interests. 5. Where the requested State Party believes that execution of the request referred to in paragraph 1 of this Article will not ensure the future preservation of information or will threaten the confidentiality of or otherwise prejudice the investigation, prosecution or judicial proceedings, it shall promptly so inform the requesting State Party. Based on that notification the requesting State Party shall determine whether the request should be executed or not.