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                                     WL.CAV
       2
   cost.and.volume.index
   cost.and.volume

 Ì       2
cost.and.volume.index    (contract.x) 
[urn,abs.service.seq.no] = ABS.PAT.zcus.abs.fce.contract
?WLCAV[dz,dzSS]

 Field Name                 Len Dat Typ  J  DPM            Offset/Local/VAL                                        
 urn                         44 FREE     L  ABS.PAT        dz                                                      
 abs.service.seq.no          44 FREE     L  ABS.PAT        dzSS                                                    
 abs.fce.contract            20 FREE     L  WL.CONTRACTS   ?WLCAV[dz,dzSS]|0                                       
 transferred                  1 FREE     L                 ?WLCAV[dz,dzSS]|1