The technical description of the HILS test procedure will be incorporated into a new annex 8 to GTR n°4, the powertrain test procedure into a new annex 9. On the HDH website, specific folders “HDH DG … session” have been created. The draft versions prepared by the drafting group will be uploaded to the drafting group folders, as appropriate, for review by the IWG members. Any editorial comments should be submitted to the technical secretary, any other comments to the IWG for discussion.