Methods of custody and redelivery of securities, and conditions for early redelivery.

四、之保管、返方式及提前返条件。

What this shows is that the purpose of the provision of timely redelivery in the charterparty is to enable the ship to be at the full disposal of the owners from the redelivery date.

这说明约中订立的及时条款目的是使舶日起完全处于东的处置之下。