commiss opinion decemb address govern feder republ germani regul implement council direct eec januari reciproc recognit navig licenc inland waterwai vessel eec letter februari offic perman represent govern feder republ germani accord articl council direct eec januari reciproc recognit navig licenc inland waterwai vessel submit opinion commiss regul implement council direct eec commiss note measur contain regul feder republ germani compli provis direct eec commiss deliv favour opinion brussel decemb commiss richard burk member commiss oj