140.—(1) (a) Where an agreement with the crew is required to be made in a form approved by the Board of Trade, the agreement may contain a stipulation for payment to or on behalf of the seaman, conditionally on his going to sea in pursuance of the agreement, of a sum not exceeding the amount of one month’s wages payable to the seaman under the agreement; and

(b) Stipulations for the allotment of a seaman’s wages may be made in accordance with this Act.

(2) Save as aforesaid an agreement by or on behalf of the employer of a seaman for the payment of money to or on behalf of the seaman conditionally on his going to sea from any port in the United Kingdom shall be void, and any money paid in satisfaction or in respect of any such agreement shall not be deducted from the seaman’s wages, and a person shall not have any right of action, suit, or set-off against the seaman or his assignee in respect of any money so paid or purporting to have been so paid.