18. The experts from France informed GRSG that several comments had been received (GRSG-128-33) in response to their request for guidance. The comments confirmed that their understanding of the application and harmonization of practices which was in solution “C”: the components of the immobilizer are tested as a unit, with functional validation of the entire assembled device. Therefore, they announced a proposal on solution C to clarify the text of UN Regulation No. 116.