Subject to insurance. This is one restriction in a charterparty that is not really relevant to the making of the formal contract in the same way that the other "subjects" are.
Subject financing. This qualification can be used by a charterer to indicate that he is attempting to finance a transaction for which he needs a ship, for example, he wishes to purchase a quantity of bulk cargo such as sugar, and needs a ship to transport it. It can also be used by a purchaser of a ship before confirming that he can complete the purchase.