A statement on the official website reads:
Cardiff City Football Club has requested and received its full allocation of Carling Cup Final tickets, with additional tickets being received from the Football League today (Monday).
Following the previous windows of sale, we are delighted to announce that an increased number of 1,500 tickets will go on general sale as of 10am on Tuesday morning. These will only be available to Cardiff City supporters registered on our database prior to the Carling Cup semi-final against Crystal Palace.
These tickets are available to personal callers to the ticket office only.