| Tag | Field Name | Req'd | Comments | |
|---|---|---|---|---|
| Standard Header | Y | MsgType = c (lowercase) | ||
| 320 | SecurityReqID | Y | ||
| 321 | SecurityRequestType | Y | ||
| Component block <Instrument> | N | Insert here the set of "Instrument" (symbology) fields defined in "COMMON COMPONENTS OF APPLICATION MESSAGES" of the requested Security | ||
| 15 | Currency | N | ||
| 58 | Text | N | Comment, instructions, or other identifying information. | |
| 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. | |
| 336 | TradingSessionID | N | Optional Trading Session Identifier to specify a particular trading session for which you want to obtain a list of securities that are tradeable. | |
| 625 | TradingSessionSubID | N | ||
| 555 | NoLegs | N | Number of legs that make up the Security | |
![]() | component block <InstrumentLeg> | N | Insert here the set of "InstrumentLeg" (leg-specific symbology) fields defined in "COMMON COMPONENTS OF APPLICATION MESSAGES" Required if NoLegs > 0. | |
![]() | 556 | LegCurrency | N | |
| 263 | SubscriptionRequestType | N | Subscribe or unsubscribe for security status to security specified in request. | |
| Standard Trailer | Y | |||