390- وبالنظر إلى خصائص المياه الجوفية، أُثير أيضاً سؤال عما ما إذا كان ينطبق على المياه الجوفية في بعض الحالات نظام إطاري.
For 2004, it was agreed that a study on “the function and scope of the lex specialis rule and the question of `self-contained regimes'” would be undertaken by the current Chairman of the Study Group on the basis of the outline and the discussion in the Study Group in 2003.