For the purposes of this Regulation, the following definitions apply:

1. (1)

   ‘relevant operator’ means:

   1. (a)

      an investment firm operating a multilateral trading facility (MTF);

   2. (b)

      an investment firm operating an organised trading facility (OTF);

   3. (c)

      a market operator operating an MTF;

   4. (d)

      a market operator operating an OTF;

2. (2)

   ‘asset classes’ means the categories of financial instruments as set out in Section C of Annex I to Directive 2014/65/EU.