Section 11: Area under control of the Authority

All navigable waterways, inland waterways, river-ports and internal waters of Nigeria, excluding all direct approaches to the ports listed in the Third Schedule to this Act and all other waters declared to be approaches to ports under or pursuant to the Nigerian Ports Authority Act, up to 250 metres beyond the upstream edge of the quay of such ports, shall be under the exclusive management, direction and control of the Authority.
[Third Schedule.]