Any national Parliament or any chamber of a national Parliament may, within eight weeks from the date of transmission of a draft legislative act, in the official languages of the Union, send to the Presidents of the European Parliament, the Council and the Commission a reasoned opinion stating why it considers that the draft in question does not comply with the principle of subsidiarity.
Féadfaidh aon Pharlaimint náisiúnta nó aon seomra de chuid Parlaiminte náisiúnta, laistigh d'ocht seachtaine ón dáta a gcuirfear dréachtghníomh reachtach i dteangacha oifigiúla an Aontais Eorpaigh chuig an bParlaimint nó chuig an seomra sin, tuairim réasúnaithe a chur chuig Uachtarán Pharlaimint na hEorpa, Uachtarán na Comhairle agus Uachtarán an Choimisiúin á rá cad chuige a measann sé nó sí nach gcomhlíonann an dréacht i gceist prionsabal na coimhdeachta.