What types of investment funds are considered to be using an index for the purpose of “tracking the return of [an] index”?

Is a calculation agent to be considered a user of benchmarks if it is appointed by an issuer of securities?

In Article 3(1)(7), “use of a benchmark”, is defined, in paragraph (b), as meaning “determination of the amount payable under a financial instrument . . . by referencing an index or a combination of indices”. In which circumstances would one or more supervised entities be viewed as using a benchmark under paragraph (b) in relation to a derivative, i.e. a financial instrument in Section C of Annex I to Directive 2014/65/EU, paragraphs (4) – (10)?

How can benchmarks be grouped into a family? Can critical, significant and non-significant benchmarks be part of the same family of benchmarks?

Is the scope of application of the Commission Delegated Regulations adopted pursuant to the BMR identical to the scope of the related requirements in the BMR?