Marine Insurance Act, 1963
86. Implied obligation varied by agreement or usage
(1) Where any right,
duty, or liability would arise under a contract of marine insurance by
implication of law, it may be negative or varied by express agreement, or by
usage, if the usage be such as to bind both parties to the contract.
(2) The provisions of
this section extend to any right, duty, or liability declared by this Act which
may be lawfully modified by agreement.