G/TBT/N/JPN/759  
20 December 2022  
(22-9544) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  English  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member:  JAPAN  
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:   
Ministry of Economy, Trade and Industry (METI)  
Name and address (including telephone and fax numbers , email and website 
addresses, if available) of agency or authority designated to handle comments 
regarding the notification shall be indicated if different from above:   
3. Notified under Article 2.9.2 [X], 2.10.1 [  ], 5.6.2 [  ], 5.7.1 [  ], 3.2 [  ], 7.2 [  ], 
other :  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable):  Glass wool 
insulating material, extruded polystyrene foam insulating material. (HS:3921. 11, 
7019.80)  
5. Title, number of pages and language(s) of the notified document:  Revisions of the 
Regulation and the Notification of the Ministry of Economy, Trade and Indus try (METI) 
under the Act on the Rational Use of Energy.; (2 page(s), in English)  
6. Description of content:  Revisions of the standards of judgement under the Act on the 
Rational Use of Energy, the target fiscal year for meeting the standards, the standard s of 
insulating performance.  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  To promote the rationalization of overall energy consumption in Japan 
through popularization of building materials with high insulating perf ormance, which can 
contribute to coping with challenges facing society including the recent increase of energy 
consumption in the household sector, climate change, and so on.  
8. Relevant documents:   
- The Act on the Rational Use of Energy (Only in Japanese);  
https://elaws.e -
gov.go.jp/document?lawid=354AC0000000049_20230401_504AC0000000046  
- Report on performance standards for insulation materials compil ed by the Advisory 
Committee for Energy's working group (Only in Japanese);  
https://www.meti.go.jp/shingikai/enecho/shoene_shinene/sho_en ergy/kenchiku_zairyo/
20221014_report.html  G/TBT/N/JPN/759  
 
- 2 - 
 
  - These revisions are to be published in the Official Government Gazette "KAMPO" when 
adopted. Regulations before amendment are available at the following web links (Only in 
Japanese);  
https://www.enecho.meti.go.jp/category/saving_and_new/saving/enterprise/equipment
/pdf/30_dannetsuzai.pdf  
9. Proposed date of adoption:  Around March 2023  
Proposed date of entry into force:  Around April 2023*  
* Target fiscal year for achieving the new standards is set to be FY2030.  
10. Final date for comments:  60 days from notification  
11. Texts available from:  National enquiry point [ ] or address, telephone and fax 
numbers and email and website addresses, if available , of other body:   
International Trade Division  
Economic Affairs Bureau  
Ministry of Foreign Affairs  
2-2-1 Kasumigaseki, Chiyoda -ku 
Tokyo 100 -8919, Japan  
Tel.: + (81) 3 5501 8 344 
Fax: + (81) 3 5501 8343  
E-mail: enquiry@mofa.go.jp  
https://members.wto.org/crnattachments/2022/TBT/JPN/22_8771_00_e.pdf