Article 4

In the case of an investment firm or market operator authorised to operate an MTF under Article 5 of Directive 2004/39/EC of the European Parliament and of the Council (5) which is operating at the date of application of this Regulation, that firm or operator shall provide the information referred to under Articles 2 and 3 of this Regulation where it is required:

(a)	to correct, update or clarify information previously submitted by the relevant operator to its competent authority;

(b)	to demonstrate compliance with obligations under Directive 2014/65/EU and Regulation (EU) No 600/2014 that did not apply to the MTF prior to the application of this Regulation.

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(5)  Directive 2004/39/EC of the European Parliament and of the Council of 21 April 2004 on markets in financial instruments amending Council Directives 85/611/EEC and 93/6/EEC and Directive 2000/12/EC of the European Parliament and of the Council and repealing Council Directive 93/22/EEC (OJ L 145, 30.4.2004, p. 1).