36. Recalling the discussion on this subject at the previous session of GRSG, the expert from AEGPL informed GRSG about the progress done on a proposal to insert into UN Regulation No. 67 new provisions for preventing a flow of liquefied petroleum gas (LPG) into the petrol or diesel tank, and vice versa. He expected to finalize a concrete proposal for consideration at the next GRSG session on the basis of an official document.

37. GRSG questioned the need to extend the scope of UN Regulation No. 67 to vehicles of category L. The expert from AEGPL preferred to consider this subject separately and suggested preparing an additional informal document.