4. Declaration of inland water area into Zones.—(1) The State Government may, for the purposes
of this Act, declare by notification any inland water area to be a “Zone” depending on the maximum
significant wave height criteria specified in sub-section (2).
(2) For the purposes of sub-section (1), the State Government may classify the maximum significant
wave height criteria into the following Zones, namely:—
(i) Zone 1 refers to the area (other than Zone 2 or Zone 3) where the maximum significant wave
height does not exceed 2.0 metres;
(ii) Zone 2 refers to the area (other than Zone 3) where the maximum significant wave height
does not exceed 1.2 metres; and
(iii) Zone 3 refers to the area where the maximum significant wave height does not exceed 0.6
metres.