Field,Field Description,Length,Position,Notes
1,Record Identity,2,1-2,With the constant value ‘HD’.
2,File Identity,20,3-22,
3,Date of Extract,6,23-28,Format ddmmyy defining the date that the BTD extract file was created.
4,Time of Extract,4,29-32,hhmm defining the time that the BTD extract file was created.
5,Current File Reference,7,33-39,Unique file reference.
6,Last-file-reference,7,40-46,Unique file reference.
7,Update Indicator,1,47,‘U’=Update. ‘F’=Full extract.
8,Version,1,48,Version identifier of CIF software.
9,Extract start date,6,49-54,Same as Field 3 above.
10,Extract end date,6,55-60,
11,Spare,20,61-80,