30.—(1) This Act does not affect any rights or obligations of a multimodal transport operator, carrier, consignor or consignee provided under —
(a)
any written law implementing any treaty, convention or other international agreement or arrangement to which Singapore is a party; or
(b)
any other written law,
for the protection of human health, public safety and the environment.
(2) This Act also does not affect any written law that implements any treaty, convention or other international agreement or arrangement that is applicable to a multimodal transport contract or any part of a multimodal transport contract.