If this is the case, it becomes rather irrelevant whether Luxembourg or Strasbourg is being interrogated first by a domestic supreme court, as in their respective fields of competence, each European court would always be the only one and therefore the first to speak. (europeanlawblog.eu)
(h) perform or hold himself or herself out as able to perform professional services beyond his or her field or fields of competence as established by his or her education, training, and / or experience; (mtrules.org)
The dangers of naïveté outside his field of competence should not, however, discourage a person from trying to act responsibly on public issues. (religion-online.org)