Legislative powers are exercised by a 300-member elective unicameral Parliament. Statutes passed by the Parliament are promulgated by the <answer>President of the Republic</answer>. Parliamentary elections are held every four years, but the <answer>President of the Republic</answer> is obliged to dissolve the Parliament earlier on the proposal of the Cabinet, in view of dealing with a national issue of exceptional importance. The President is also obliged to dissolve the Parliament earlier, if the opposition manages to pass a motion of no confidence.
Parliamentary statutes are put into effect by who? 
President of the Republic