(54)In order to ensure a high level of protection of the interests of the feeder UCITS’ investors, the prospectus, the key investor information, as well as all marketing communications should be adapted to the specificities of master-feeder structures. The investment of the feeder UCITS into the master UCITS should not affect the ability of the feeder UCITS itself either to repurchase or redeem units at the request of its unit-holders or to act in the best interests of its unit-holders.