This is a paraphrasing task. In this task, you're given a sentence and your task is to generate another sentence which express same meaning as the input using different words.
Q: additional information should be collected to allow the commission to review if necessary directive 91/414/eec as regards tolylfluanid .
A: 
additional information should be collected to enable the commission to examine directive 91 / 414 / eec in respect of tolylfluanid if necessary .