129. The representative of Italy introduced a proposal to amend UN GTR No. 3 (WP.29-160-22) and offered to be the sponsor for this amendment. The representative of Canada raised concerns related to some new provisions to be incorporated in the amended UN GTR that could not be applied in a self-certification system. The representative of IMMA supported the proposal. AC.3 requested the secretariat to distribute WP.29-160-22 with an official symbol at its next session for a detailed consideration.