(a) an act of or failure to act by the European Parliament or the Council, or both those institutions acting jointly, except for:
(a) i gcoinne gnímh nó neamhghnímh de chuid Pharlaimint na hEorpa nó na Comhairle nó de chuid an dá institúid sin ag gníomhú dóibh go comhpháirteach, seachas: