According to the common position’s provisions, before a member state grants an export license, it should consult with any member state that has previously denied a similar license. But the common position does not specify the extent to which another member state should be consulted.
因此这一磋商机制的有效性也极难评估。依照共同立场条款，某一国颁发武器出口许可证之前必须与曾经拒绝颁发类似许可证的另一成员国进行磋商。但相关条款却并未明确说明这种磋商究竟要达到何种程度。更重要的是，它并不要求武器出口国与其他可能关注该项出口的国家进行磋商。