(8) Where an act of conspiracy exists that threatens the national security, the planning or execution of any serious crime, any organized crime, or any similar is imminent that may directly cause death or serious injury; it is short on time to obtain approval from the President for taking the emergency communicationrestricting measures against any person who falls under Article 7 (1) 2; or it is judged that the national security may be put at risk unless the emergency communication-restricting measures are taken, the head of any intelligence and investigative agency may take the emergency communication-restricting measures after obtaining approval therefor from the Minister (including the Director General of the National Intelligence Agency) to whom he or she belongs. (9) When the head of any intelligence and investigative agency starts the execution of communicationrestricting measures pursuant to paragraph (8), he or she shall obtain approval therefor from the President pursuant to Article 7 without delay. <Amended on Dec. 27, 2022> (10) Where the head of any intelligence and investigative agency fails to obtain approval from the President within 36 hours from the time he or she has started the execution of communication-restricting measures pursuant to paragraph (8), he or she shall immediately suspend the relevant measures and destroy the materials acquired through the relevant measures. <Newly Inserted on Dec. 27, 2022> Article 9 (Execution of Communication-Restricting Measures) (1) Communication-restricting measures under Articles 6 through 8 shall be executed by any prosecutor, any judicial police officer, or the head of any intelligence and investigative agency who has made such request or application. In such cases, the execution may be commissioned to postal service organizations or other institutions concerned (hereinafter referred to as "communications institutions, etc.") or cooperation therewith may be sought from communications institutions, etc. <Amended on Dec. 29, 2001> (2) Any person who intends to commission the execution of communication-restricting measures or ask for cooperation therewith, shall furnish any of the communications institutions, etc. with a written permission for the communication-restricting measures (referring to a written approval granted by the President in the case of Article 7 (1) 2; hereafter the same shall apply in this Article and Articles 16 (2) 1 and 17 (1) 1 and 3) or a copy of the cover of an emergency wiretapping statement, etc. and any person who is commissioned or asked for cooperation shall keep such written permission for the communicationrestricting measures or such copy of the cover of an emergency wiretapping statement for a period fixed by Presidential Decree. <Amended on Dec. 29, 2001> (3) Any person who executes the communication-restricting measures, is commissioned to execute such measures or asked for cooperation therewith, shall keep records in which the objectives of the relevant communication-restricting measures, the execution of such measures, the date on which cooperation is provided, and the targets of such cooperation are entered for a period fixed by Presidential Decree. <Newly Inserted on Dec. 29, 2001> (4) In the event that the telephone number or any similar of a person subject to the communicationrestricting measures which is entered in the written permission for communication-restricting measures or