| Tag | 
                  Field Name | 
                  Req'd | 
                  Comments | 
                
                
                  | <MessageHeader> | 
                  Y | 
                  MsgType <35> = b
                   | 
                
                
                  | 131 | 
                  QuoteReqID | 
                  N | 
                  
                     Required when acknowledgment is in response to a Quote Request <R> message
                     
                   | 
                
                
                  | 117 | 
                  QuoteID | 
                  N | 
                  
                     Required when acknowledgment is in response to a Quote message
                     
                   | 
                
                
                  | 297 | 
                  QuoteAckStatus | 
                  Y | 
                  
                     Status of the Quote Acknowledgement <b>. 
                   | 
                
                
                  | 300 | 
                  QuoteRejectReason | 
                  N | 
                  
                     Reason Quote was rejected. 
                   | 
                
                
                  | 301 | 
                  QuoteResponseLevel | 
                  N | 
                  
                     Level of Response requested from receiver of Quote messages. Is echoed back to the counterparty.
                     
                   | 
                
                
                  | 336 | 
                  TradingSessionID | 
                  N | 
                   | 
                
                
                  | 58 | 
                  Text | 
                  N | 
                   | 
                
                
                  | 296 | 
                  NoQuoteSets | 
                  N | 
                  
                     The number of sets of quotes in the message 
                   | 
                
                
                  | => | 
                  302 | 
                  QuoteSetID | 
                  N | 
                  
                     First field in repeating group. Required if NoQuoteSets <296> > 0
                     
                   | 
                
                
                  | => | 
                  311 | 
                  UnderlyingSymbol | 
                  N | 
                  
                     Required if NoQuoteSets <296> > 0
                     
                   | 
                
                
                  | => | 
                  312 | 
                  UnderlyingSymbolSfx | 
                  N | 
                   | 
                
                
                  | => | 
                  309 | 
                  UnderlyingSecurityID | 
                  N | 
                   | 
                
                
                  | => | 
                  305 | 
                  UnderlyingIDSource | 
                  N | 
                   | 
                
                
                  | => | 
                  310 | 
                  UnderlyingSecurityType | 
                  N | 
                   | 
                
                
                  | => | 
                  313 | 
                  UnderlyingMaturityMonthYear | 
                  N | 
                  
                     Required if UnderlyingMaturityDay <314> is specified.
                     
                   | 
                
                
                  | => | 
                  314 | 
                  UnderlyingMaturityDay | 
                  N | 
                   | 
                
                
                  | => | 
                  315 | 
                  UnderlyingPutOrCall | 
                  N | 
                   | 
                
                
                  | => | 
                  316 | 
                  UnderlyingStrikePrice | 
                  N | 
                   | 
                
                
                  | => | 
                  317 | 
                  UnderlyingOptAttribute | 
                  N | 
                   | 
                
                
                  | => | 
                  436 | 
                  UnderlyingContractMultiplier | 
                  N | 
                  
                     For Fixed Income, Convertible Bonds, Derivatives, etc. 
                   | 
                
                
                  | => | 
                  435 | 
                  UnderlyingCouponRate | 
                  N | 
                  
                     For Fixed Income. 
                   | 
                
                
                  | => | 
                  308 | 
                  UnderlyingSecurityExchange | 
                  N | 
                   | 
                
                
                  | => | 
                  306 | 
                  UnderlyingIssuer | 
                  N | 
                   | 
                
                
                  | => | 
                  362 | 
                  EncodedUnderlyingIssuerLen | 
                  N | 
                  
                     Must be set if EncodedUnderlyingIssuer <363> field is specified and must immediately precede it.
                     
                   | 
                
                
                  | => | 
                  363 | 
                  EncodedUnderlyingIssuer | 
                  N | 
                  
                     Encoded (non-ASCII characters) representation of the UnderlyingIssuer <306> field in the encoded format specified via the MessageEncoding <347> field.
                     
                   | 
                
                
                  | => | 
                  307 | 
                  UnderlyingSecurityDesc | 
                  N | 
                   | 
                
                
                  | => | 
                  364 | 
                  EncodedUnderlyingSecurityDescLen | 
                  N | 
                  
                     Must be set if EncodedUnderlyingSecurityDesc <365> field is specified and must immediately precede it.
                     
                   | 
                
                
                  | => | 
                  365 | 
                  EncodedUnderlyingSecurityDesc | 
                  N | 
                  
                     Encoded (non-ASCII characters) representation of the UnderlyingSecurityDesc <307> field in the encoded format specified via the MessageEncoding <347>
                      field.
                     
                   | 
                
                
                  | => | 
                  304 | 
                  TotQuoteEntries | 
                  N | 
                  
                     Total number of quotes for the quote set across all messages. Should be the sum of all NoQuoteEntries <295> in each message that has repeating quotes that are part of the same quote set.
                     
                    Required if NoQuoteEntries <295> > 0
                     
                   | 
                
                
                  | => | 
                  295 | 
                  NoQuoteEntries | 
                  N | 
                  
                     The number of quotes for this Symbol <55> (QuoteSet) that follow in this message.
                     
                   | 
                
                
                  | => | 
                  => | 
                  299 | 
                  QuoteEntryID | 
                  N | 
                  
                     Uniquely identifies the quote as part of a QuoteSet. 
                    First field in repeating group. Required if NoQuoteEntries <295> > 0.
                     
                   | 
                
                
                  | => | 
                  => | 
                  55 | 
                  Symbol | 
                  N | 
                   | 
                
                
                  | => | 
                  => | 
                  65 | 
                  SymbolSfx | 
                  N | 
                   | 
                
                
                  | => | 
                  => | 
                  48 | 
                  SecurityID | 
                  N | 
                   | 
                
                
                  | => | 
                  => | 
                  22 | 
                  IDSource | 
                  N | 
                   | 
                
                
                  | => | 
                  => | 
                  167 | 
                  SecurityType | 
                  N | 
                  
                     Must be specified if a Future or Option. If a Future: Symbol <55>, SecurityType <167>, and MaturityMonthYear <200> are
                      required. If an Option: Symbol <55>, SecurityType <167>, MaturityMonthYear <200>, PutOrCall
                        <201>, and StrikePrice <202> are required.
                     
                   | 
                
                
                  | => | 
                  => | 
                  200 | 
                  MaturityMonthYear | 
                  N | 
                  
                     Specifies the month and year of maturity. Required if MaturityDay <205> is specified.
                     
                   | 
                
                
                  | => | 
                  => | 
                  205 | 
                  MaturityDay | 
                  N | 
                  
                     Can be used in conjunction with MaturityMonthYear <200> to specify a particular maturity date.
                     
                   | 
                
                
                  | => | 
                  => | 
                  201 | 
                  PutOrCall | 
                  N | 
                  
                     For Options. 
                   | 
                
                
                  | => | 
                  => | 
                  202 | 
                  StrikePrice | 
                  N | 
                  
                     For Options. 
                   | 
                
                
                  | => | 
                  => | 
                  206 | 
                  OptAttribute | 
                  N | 
                  
                     For Options. 
                   | 
                
                
                  | => | 
                  => | 
                  231 | 
                  ContractMultiplier | 
                  N | 
                  
                     For Fixed Income, Convertible Bonds, Derivatives, etc. Note: If used, quantities should be expressed in the "nominal" (e.g.
                      contracts vs. shares) amount.
                     
                   | 
                
                
                  | => | 
                  => | 
                  223 | 
                  CouponRate | 
                  N | 
                  
                     For Fixed Income. 
                   | 
                
                
                  | => | 
                  => | 
                  207 | 
                  SecurityExchange | 
                  N | 
                  
                     Can be used to identify the security. 
                   | 
                
                
                  | => | 
                  => | 
                  106 | 
                  Issuer | 
                  N | 
                   | 
                
                
                  | => | 
                  => | 
                  348 | 
                  EncodedIssuerLen | 
                  N | 
                  
                     Must be set if EncodedIssuer <349> field is specified and must immediately precede it.
                     
                   | 
                
                
                  | => | 
                  => | 
                  349 | 
                  EncodedIssuer | 
                  N | 
                  
                     Encoded (non-ASCII characters) representation of the Issuer <106> field in the encoded format specified via the MessageEncoding <347> field.
                     
                   | 
                
                
                  | => | 
                  => | 
                  107 | 
                  SecurityDesc | 
                  N | 
                   | 
                
                
                  | => | 
                  => | 
                  350 | 
                  EncodedSecurityDescLen | 
                  N | 
                  
                     Must be set if EncodedSecurityDesc <351> field is specified and must immediately precede it.
                     
                   | 
                
                
                  | => | 
                  => | 
                  351 | 
                  EncodedSecurityDesc | 
                  N | 
                  
                     Encoded (non-ASCII characters) representation of the SecurityDesc <107> field in the encoded format specified via the MessageEncoding <347> field.
                     
                   | 
                
                
                  | => | 
                  => | 
                  368 | 
                  QuoteEntryRejectReason | 
                  N | 
                  
                     Reason Quote Entry was rejected. 
                   | 
                
                
                  | <MessageTrailer> | 
                  Y | 
                     |