Revision 6 of the UN Regulation No. 46 modified the structure of the regulation and formulated separately the requirements for mirrors and Camera Monitor Systems (CMS). The proposal takes these changes into consideration.

Proposal to align the requirements for the area of camera lenses special deflector geometry is necessary to improve the image quality captured by the camera. These deflectors are influencing or preventing air turbulences and through this are keeping rainwater and dirt particles away from the optical system.