Proposal to introduce requirements for silencers or
components filled with absorbing materials into Regulation No. 59.

Working draft (pursuant to the third session of the Informal Working Group on UN Regulations Nos. 51 and 59) of the 02 series of amendments to UN R59 intended to align its provisions with the latest EU sound level requirements.

Working draft of the proposed amendments to UN R59 as revised by the Working Party on Noise during its September 2014 session.