(1) This section applies if:
(a) on or after the commencement of this section, the owner of the ship makes an agreement with another person or persons about the terms and conditions of employment or engagement of one or more seafarers working on board the ship when it is used to engage in international trading; and
(b) the agreement is not a work agreement; and
(c) the agreement is not a collective agreement made under section 11A.
(2) If the work agreement incorporates any of the terms or conditions of the agreement referred to in paragraph (1)(a), then those terms or conditions have no effect to the extent that they apply to the seafarer while he or she is working on board the ship when it is used to engage in international trading.