The MTI (4 bytes long) follows this header, and then a Primary Bitmap (8 bytes long), and then finally the core part of the message containing the Data Fields.

The second is that ministers will continue to see figures long before they are made public, and so have plenty of time to pick out the most flattering data and craft a message for public consumption.

If a message flow in WebSphere message Broker V6.0 creates output data destined to be written out as a CWF or TDS fixed length field and if the data is too long, then an exception is thrown.