As early as the time of Edward I (1272-1307) theideaofjudicialconsistencycan beseenincontemporarywritingsbutthisis notthe same thing as bindingprecedent.
"The European Parliament's opinion is not binding, and if the Commission complies with the negative opinion, it sets a dangerous precedent for the powers of the Commission in the future, " said an EU official who asked not to be identified.