commiss opinion decemb address govern kingdom belgium draft royal order implement council direct eec januari reciproc recognit navig licenc inland waterwai vessel eec juli offic perman represent kingdom belgium commiss text draft royal order navig licenc inland waterwai vessel implement council direct eec januari reciproc recognit navig licenc inland waterwai vessel commiss note measur contain draft royal order compli provis direct eec commiss deliv favour opinion brussel decemb commiss richard burk member commiss oj