(18)In order to clarify the treatment of non-listed securities represented by depository receipts admitted to trading on a regulated market and in order to avoid transparency gaps, the definition of ‘issuer’ should be further specified to include issuers of non-listed securities represented by depository receipts admitted to trading on a regulated market. It is also appropriate to amend the definition of ‘issuer’ taking into account the fact that in some Member States issuers of securities admitted to trading on a regulated market can be natural persons.