| 146 | NoRelatedSym | N | Number of related symbols (instruments) in Request | 
    
    
        
            
    
    
        
            | → | Component Block - <Instrument> | Y | Insert here the set of "Instrument" (symbology) fields defined in "Common Components of Application Messages" | 
    
    
        
            | → | Component Block - <UndInstrmtGrp> | N |  | 
    
    
        
            | → | Component Block - <InstrmtLegGrp> | N |  | 
    
    
        
            | → | 140 | PrevClosePx | N | Useful for verifying security identification | 
    
    
        
            | → | 303 | QuoteRequestType | N | Indicates the type of Quote Request (e.g. Manual vs. Automatic) being generated. | 
    
    
        
            | → | 537 | QuoteType | N | Type of quote being requested from counterparty or market (e.g. Indicative, Firm, or Restricted Tradeable) | 
    
    
        
            | → | 336 | TradingSessionID | N |  | 
    
    
        
            | → | 625 | TradingSessionSubID | N |  |