1901 - The imposition of duty upon the export of coal products as published within the Cardiff Times and the effect at the Docks which would have also included Newport, Barry as well as Penarth Dock and Tidal Harbour. The above 'Skeleton Copy of the Guarantee' appeared within the Cardiff Times newspaper.

This afternoon the Customs authorities at Cardiff took steps to advise shipowners, brokers, and others interested in the loading of ships that they would not be allowed to proceed after midnight to-night in loading unless they gave a guaranteed to pay such duty as the Government might impose upon their cargo or bunkers, such guarantee to hold good until 10 o'clock to-morrow morning. After 10 o'clock to-morrow morning a regular form will be supplied for shippers to fill up. . . . ' - Cardiff Times [019] [361] 20th April 1901.