| Tag | Field Name | AbbrName | Req'd | Comments | ||
|---|---|---|---|---|---|---|
| StandardHeader | Hdr | Yes | MsgType = BT | |||
| 1393 | MarketReqID | MktReqID | Yes | Must be unique, or the ID of previous Market Segment Request to disable if SubscriptionRequestType = Disable previous Snapshot + Updates Request(2). | ||
| 263 | SubscriptionRequestType | SubReqTyp | Yes | |||
| 1301 | MarketID | MktID | Conditionally required if MarketSegmentID(1300) is specified on the request | |||
| 1300 | MarketSegmentID | MktSegID | ||||
| 1325 | ParentMktSegmID | ParentMktSegmID | Specifies that the Market Segment is a sub segment of the Market Segment defined in this field. | |||
| StandardTrailer | Trlr | Yes | ||||