The National Port Authority (NPA) informs that the Container Tracking Note (CTN) System takes effect from February 1st, 2019:

Container Tracking Note is mandatory for all shipments bound to Liberia or in transit through Liberia and it is under Shipper's responsibility. Each B/L must be covered by a valid unique CTN number which will also be inserted on the Cargo Manifest. Shipments not covered by a valid CTN number will not be loaded and fines may apply.

Shipment not covered by a CTN will not be loaded.

Shipment without a valid CTN number will not be discharged in Liberia. Fines will apply in accordance with the NPA regulation on top of additional costs.