National Parliaments may send to the Presidents of the European Parliament, the Council and the Commission a reasoned opinion on whether a draft 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, chuig Uachtarán na Comhairle agus chuig Uachtarán an Choimisiúin á rá an gcomhlíonann dréachtghníomh reachtach prionsabal na coimhdeachta, de réir an nós imeachta a leagtar síos sa Phrótacal maidir le prionsabail na coimhdeachta agus na comhréireachta a chur i bhfeidhm.