| 41810 | UnderlyingExerciseDesc | N |  | 
    
    
        
            
            | 41811 | EncodedUnderlyingExerciseDescLen | N | 
    Must be set if EncodedUnderlyingExerciseDesc <41812> field is specified and must immediately precede it.
 | 
    
    
        
            
            | 41812 | EncodedUnderlyingExerciseDesc | N | 
    Encoded (non-ASCII characters) representation of the UnderlyingExerciseDesc <41810> field in the encoded format specified
    via the MessageEncoding <347> field.
 | 
    
    
        
            
            | 41813 | UnderlyingAutomaticExerciseIndicator | N |  | 
    
    
        
            
            | 41814 | UnderlyingAutomaticExerciseThresholdRate | N |  | 
    
    
        
            
            | 41815 | UnderlyingExerciseConfirmationMethod | N |  | 
    
    
        
            
            | 41816 | UnderlyingManualNoticeBusinessCenter | N |  | 
    
    
        
            
            | 41817 | UnderlyingFallbackExerciseIndicator | N |  | 
    
    
        
            
            | 41818 | UnderlyingLimitedRightToConfirmIndicator | N |  | 
    
    
        
            
            | 41819 | UnderlyingExerciseSplitTicketIndicator | N |  | 
    
    
        
            
            | 42887 | UnderlyingSettlMethodElectingPartySide | N |  | 
    
    
        
            
            | Component Block - <UnderlyingSettlMethodElectionDate> | N |  | 
    
    
        
            
            | Component Block - <UnderlyingOptionExerciseDates> | N |  | 
    
    
        
            
            | Component Block - <UnderlyingOptionExerciseExpiration> | N |  | 
    
    
        
            
            | Component Block - <UnderlyingOptionExerciseMakeWholeProvision> | N |  |