To define the status and positioning of cars within the location
| Position | Element | Name | Type | Min/Max | Repeat | |
|---|---|---|---|---|---|---|
| 1 | 617 | Switch Type Code | Mandatory | ID | 2/2 | Exact 1 | 
| 2 | 619 | Zone | Opt | Alphanumeric | 2/3 | Exact 1 | 
| 3 | 620 | Track | Opt | Alphanumeric | 2/3 | Exact 1 | 
| 4 | 621 | Spot | Opt | Alphanumeric | 2/3 | Exact 1 | 
| 5 | 621 | Spot | Opt | Alphanumeric | 2/3 | Exact 1 | 
| 6 | 140 | Standard Carrier Alpha Code | Opt | ID | 2/4 | Exact 1 | 
| 7 | 322 | Load/Empty Status Code | Opt | ID | 1/1 | Exact 1 | 
| 8 | 901 | Reject Reason Code | Opt | ID | 2/2 | Exact 1 |