When do you think it convenient to hand the Mate's Receipt for you to sign?

你认为什么时候叫你签大副收据比较方便？

If you want to put any remarks on the Mate's Receipt, please let me know first so that I can inform the consignee in time.

如果你想在大副收据上放批注，请先让我知道，以便我即时通知发货人。

If you want to check the Mate's Receipt, please inform the captain first, because the Mate's Receipt was signed by him in our ship.

如果你想核对大副收据，你要先通知船长。因为在我们船上，大副收据是由船长签的。