The Member States 25 March 1957, Consolidated version of the Treaty on the Functioning of the European Union#PART SIX - INSTITUTIONAL AND FINANCIAL PROVISIONS#TITLE I - INSTITUTIONAL PROVISIONS#Chapter 1 - The institutions#Section 1 - The European Parliament#Article 227(ex Article 194 TEC)

Article 225 (ex Article 192, second subparagraph, TEC) The European Parliament may, acting by a majority of its component Members, request the Commission to submit any appropriate proposal on matters on which it considers that a Union act is required for the purpose of implementing the Treaties. If the Commission does not submit a proposal, it shall inform the European Parliament of the reasons.