| Tag | Field Name | Req'd | Comments | 
                           
                              | Component Block - <StandardHeader> | Y | MsgType = AP | 
                           
                              | 721 | PosMaintRptID | Y | Unique identifier for this position report | 
                           
                              | 710 | PosReqID | N | Unique identifier for the Request for Positions associated with this report       This field should not be provided if the report was sent unsolicited. | 
                           
                              | 724 | PosReqType | N |  | 
                           
                              | 263 | SubscriptionRequestType | N | Used to subscribe / unsubscribe for trade capture reports       If the field is absent, the value 0 will be the default | 
                           
                              | 727 | TotalNumPosReports | N | Total number of Position Reports being returned | 
                           
                              | 325 | UnsolicitedIndicator | N | Set to 'Y' if message is sent as a result of a subscription request or out of band configuration as opposed to a Position
                                 Request. | 
                           
                              | 728 | PosReqResult | N | Result of a Request for Position | 
                           
                              | 715 | ClearingBusinessDate | Y | The Clearing Business Date referred to by this maintenance request | 
                           
                              | 716 | SettlSessID | N |  | 
                           
                              | 717 | SettlSessSubID | N |  | 
                           
                              | Component Block - <Parties> | Y | Position Account | 
                           
                              | 1 | Account | N | Account may also be specified through via Parties Block using Party Role 27 which signifies Account | 
                           
                              | 660 | AcctIDSource | N |  | 
                           
                              | 581 | AccountType | N | Type of account associated with the order (Origin). Account may also be specified through via Parties Block using Party Role
                                 27 which signifies Account | 
                           
                              | Component Block - <Instrument> | N |  | 
                           
                              | 15 | Currency | N |  | 
                           
                              | 730 | SettlPrice | N |  | 
                           
                              | 731 | SettlPriceType | N | Values = Final, Theoretical | 
                           
                              | 734 | PriorSettlPrice | N |  | 
                           
                              | Component Block - <InstrmtLegGrp> | N | Specifies the number of legs that make up the Security | 
                           
                              | Component Block - <PosUndInstrmtGrp> | N | Specifies the number of  underlying legs that make up the Security | 
                           
                              | Component Block - <PositionQty> | N | Insert here the set of "Position Qty" fields defined in "Common Components of Application Messages" | 
                           
                              | Component Block - <PositionAmountData> | N | Insert here the set of "Position Amount Data" fields defined in "Common Components of Application Messages" | 
                           
                              | 506 | RegistStatus | N | RegNonRegInd | 
                           
                              | 743 | DeliveryDate | N |  | 
                           
                              | 58 | Text | N |  | 
                           
                              | 354 | EncodedTextLen | N | Must be set if EncodedText field is specified and must immediately precede it. | 
                           
                              | 355 | EncodedText | N | Encoded (non-ASCII characters) representation of the Text field in the encoded format specified via the MessageEncoding field. | 
                           
                              | 573 | MatchStatus | N | Used to indicate if a Position Report is matched or unmatched | 
                           
                              | 423 | PriceType | N |  | 
                           
                              | 120 | SettlCurrency | N |  | 
                           
                              | 1011 | MessageEventSource | N | Used to identify the event or source which gave rise to a message | 
                           
                              | Component Block - <ApplicationSequenceControl> | N |  | 
                           
                              | 1434 | ModelType | N |  | 
                           
                              | 811 | PriceDelta | N |  | 
                           
                              | Component Block - <StandardTrailer> | Y |  |