AGENTS will, upon instructions from PRINCIPALS, exercise diligence to collect all “freight collect” on inward cargo and “prepaid freight” on outward cargo at the port against delivery according to the Freight Manifest despatched to AGENTS duly. In the event that such collections cannot be effected in the normal course, AGENTS will report same promptly to PRINCIPALS and thereafter assist and cooperate with PRINCIPALS in such further steps as may be taken by PRINCIPALS.