(13)Financial instruments which are held in custody should be subject to due care and protection at all times. To ensure that the custody risk is properly assessed, in exercising due care, clear obligations should be established for the depositary, which should in particular know what third parties constitute the custody chain ensure that the due-diligence and segregation obligations have been maintained throughout the whole custody chain, ensure that it has an appropriate right of access to the books and records of third parties to whom safekeeping functions are delegated, ensure compliance with the requirements of due-diligence and segregation, with the documents and make those documents available to the management company or the investment company.