National Parliaments may send to the Presidents of the European Parliament, the Council and the Commission a reasoned opinion on whether a draft European legislative act complies with the principle of subsidiarity, in accordance with the procedure laid down in the Protocol on the application of the principles of subsidiarity and proportionality.
Féadfaidh na Parlaimintí náisiúnta tuairim réasúnaithe a chur chuig Uachtarán Pharlaimint na hEorpa, Uachtarán na Comhairle agus Uachtarán an Choimisiúin á rá an gcomhlíonann dréachtghníomh reachtach Eorpach prionsabal na coimhdeachta, de réir an nós imeachta dá bhforáiltear sa Phrótacal maidir le prionsabail na coimhdeachta agus na comhréireachta a chur i bhfeidhm.