To define the purpose, junction and standard point location code for the Railroad Junctions and Interchanges Update Activity Transaction Set
| Position | Element | Name | Type | Min/Max | Repeat | |
|---|---|---|---|---|---|---|
| 1 | 353 | Transaction Set Purpose Code | Mandatory | ID | 2/2 | AtMax 1 |
| 2 | 640 | Transaction Type Code | Mandatory | ID | 2/2 | AtMax 1 |
| 3 | 638 | Rule 260 Junction Code | Mandatory | ID | 1/5 | AtMax 1 |
| 4 | 154 | Standard Point Location Code | Opt | ID | 6/9 | AtMax 1 |
| 5 | 19 | City Name | Rel | Alphanumeric | 2/30 | AtMax 1 |
| 6 | 156 | State or Province Code | Rel | ID | 2/2 | AtMax 1 |
| 7 | 26 | Country Code | Opt | ID | 2/3 | AtMax 1 |