What can a charterer do regarding subchartering the vessel?

The ability of a charterer to subcharter a vessel is typically governed by the terms of the charter agreement. When the correct answer states that a charterer can subcharter completely or partially while maintaining original conditions, it reflects a widely accepted practice in maritime law, provided that the chartering party has the right to do so as specified in the contract.

In many charter agreements, subchartering is permissible, allowing the charterer to transfer some or all of the rights to use the vessel to another party. This transfer can occur under the same terms and conditions that the charterer originally agreed upon, ensuring continuity and compliance with the initial contract's obligations. This flexibility in subchartering can be beneficial for charterers who require the capacity of the vessel for distribution or logistics purposes but may not need the entire usage at all times.

While the other options hint at significant limitations on the subchartering process, they do not accurately reflect the flexibility commonly allowed under standard charter agreements when subchartering rights are granted. Thus, recognizing the allowance for complete or partial subchartering while maintaining the original conditions captures the essence of the chartering process effectively.