10. Port operations
No port shall commence or carry on operations therein unless it is,---
(a)
an existing port; or
(b)
a new port notified under sub-section (1) of section 11:
Provided that the Government may, by notification, declare a port or part thereof non-operational in the following cases, namely:---
(i)
if such port or part thereof has been non-operational for a continuous period of ten years; or
(ii)
in the interest of national security; or
(iii)
for any other reason, as the Government may deem fit.