| Tag | Field Name | Data Type | Req’d | Description |
|---|---|---|---|---|
| StandardHeader | Y | |||
| 112 | TestReqID | String | N | Conditionally required if the heartbeat message is generated in response to a TestRequest (35=1) message. |
| 10 | StandardTrailer | Y |
| Tag | Field Name | Data Type | Req’d | Description |
|---|---|---|---|---|
| StandardHeader | Y | |||
| 112 | TestReqID | String | N | Conditionally required if the heartbeat message is generated in response to a TestRequest (35=1) message. |
| 10 | StandardTrailer | Y |