++++ 1. Preliminary rulings ° Questions submitted to the Court ° Need for a preliminary ruling and relevance of the questions submitted ° Determination by the national court ° Possibility for the parties to alter the wording of the questions ° Not possible (EC Treaty, Art. 177) 2. Approximation of laws ° Veterinary medicinal products ° Prohibitions laid down by Directive 81/851 ° Scope ° Parallel application of Articles 30 and 36 of the Treaty ° Not permissible (EC Treaty, Arts 30 and 36; Council Directive 81/851, Art. 4, and Council Directives 90/676 and 93/40)