Japan Automobile Standards Internationalization Center
20 May 2010 JASIC’s Proposal for changes to draft 04 series of amendments to Regulation No.41 (Japan and JASIC) 03-R41WG-10 2010-05-20 Japan JASIC
24 Aug 2015 The trend of noise regulation in Japan (MLIT and JASIC) GRB-62-13/Rev.1 2015-08-24 Presentation of Japan's plans for phasing in UN R41, UN R51 (Phase 2, but not Phase 3 limits), and UN R117 requirements. MLIT JASIC
30 Aug 2017 Review of the motorcycle noise regulation in Japan (JASIC) GRB-66-08 2017-08-30 Review of UN R41-04 limit-value application. JASIC
5 Apr 2024 UN R41: Validation results of proposed ASEP limit line (JASIC) RDASEPL-02-03 2024-04-05 JASIC
29 Nov 2024 RD-ASEP: Study results of R41-06 proposal (JASIC) RDASEPL-06-07 2024-11-29 Control range of CVT and limit value at high PMR & high rpm JASIC