Control of the EU decision-making process

Since the entry into force of the Treaty of Lisbon, national Parliaments of the EU Member States are entitled to get involved directly in EU decision-making process via two procedures: reasoned opinion adopted as the results of subsidiarity check and contribution elaborated in the framework of the so-called political dialogue.  
Since the Treaty of Lisbon entered into force, national Parliaments of the EU Member States are vested with ex-ante and ex-post control functions regarding the application of the subsidiarity principle. In the former case, the draft EU legislative act constitutes the object of the examination, which may result in the adoption of a reasoned opinion. In the latter case, the examination concerns the promulgated Union legal act, which may lead to the initiation of what is called a subsidiarity action. In both cases, the available timeframe for national parliaments is limited to eight weeks in the former case and two months in the latter case.
By virtue of Act XXXVI of 2012 on the National Assembly and Resolution 10/2014 (II. 24.) OGY on certain provisions of the Rules of Procedure, tasks stemming from subsidiarity checks are carried out by the Committee on European Affairs, which is vested with exclusive rights of initiative.
The institution of political dialogue goes back to the initiative of José Manuel Barroso, the former President of the European Commission, as since 2006 draft EU legislative acts have also been transmitted directly to the national Parliaments. This practice created framework for dialogue between the European Commission and the national Parliaments on wide variety of issues and proposals.
Pursuant to Act XXXVI of 2012 on the National Assembly and Resolution 10/2014 (II. 24.) OGY on certain provisions of the Rules of Procedure, the Committee on European Affairs might examine any EU draft and transmit its opinion thereof to the European Commission without any constraint regarding the content or the timeframe.