obligation to obtain permission for conducting service transactions, etc., the  Minister must, when finding that there is no longer a need to impose the  obligation, promptly cancel the obligation by a public notice.  (Confirmation by the Directors-General of Custom-Houses)  (Scope of Restrictions on Service Transactions, etc.)  Article 18-2 (1) The directors-general of custom-houses must, as instructed by  the Minister of Economy, Trade and Industry, confirm that a person who  intends to export documents, pictures or recording media in which information  on the specified technology is stated or recorded has obtained permission under  Article 17, paragraph (2) or is not required to obtain the permission.  (2) When the directors-general of custom-houses have confirmed the fact  pursuant to the provisions of the preceding paragraph, they are to give a notice  on the results thereof to the Minister of Economy, Trade and Industry,  pursuant to the provisions of Order of the Ministry of Economy, Trade and  Industry.  (3) When the Minister of Economy, Trade and Industry has imposed a disposition  pursuant to the provisions of Article 25-2, paragraphs (1) through (3) of the Act,  the Minister is to give a notice thereon to the directors-general of custom- houses without delay.  Article 18-3 (1) Where the Minister of Finance or the Minister of Economy,  Trade and Industry, pursuant to Article 25-2, paragraph (6) of the Act,  prohibits a person who has conducted service transactions, etc., for which the  obligation to obtain permission is imposed pursuant to the provisions of Article  25, paragraph (4) of the Act, without obtaining the permission, from conducting,  in whole or in part, service transactions, etc. or imposes on such a person the  obligation to obtain permission for conducting service transactions, etc., the  Minister is to do so designating, in advance, by a notice to that person, the  service transactions, etc. that are prohibited or that require permission.  (2) When a person, who has been obliged, pursuant to the provisions of the  preceding paragraph, to obtain permission for service transactions, etc. that  the person conducts, intends to conduct service transactions, etc. designated by  a notice set forth in the same paragraph as those that require permission, the  person must obtain permission from the Minister of Finance or the Minister of  Economy, Trade and Industry through procedures specified by Ministry of  Finance Order or Order of the Ministry of Economy, Trade and Industry.  (3) Where the Minister of Finance or the Minister of Economy, Trade and  Industry, pursuant to the provisions of paragraph (1), has prohibited a person  from conducting, in whole or in part, service transactions, etc. or imposed on a  person the obligation to obtain permission for conducting the service  31 