To specify mechanical protective service and ventilation instructions
| Position | Element | Name | Type | Min/Max | Repeat | |
|---|---|---|---|---|---|---|
| 1 | 746 | Protective Service Rule Code | Mandatory | ID | 3/9 | AtMax 1 |
| 2 | 241 | Protective Service Code | Mandatory | ID | 1/4 | AtMax 1 |
| 3 | 355 | Unit or Basis for Measurement Code | Rel | ID | 2/2 | AtMax 1 |
| 4 | 408 | Temperature | Rel | Decimal | 1/4 | AtMax 1 |
| 5 | 140 | Standard Carrier Alpha Code | Opt | ID | 2/4 | AtMax 1 |
| 6 | 573 | Freight Station Accounting Code | Opt | ID | 1/5 | AtMax 1 |
| 7 | 19 | City Name | Opt | Alphanumeric | 2/30 | AtMax 1 |
| 8 | 156 | State or Province Code | Opt | ID | 2/2 | AtMax 1 |
| 9 | 81 | Weight | Opt | Decimal | 1/10 | AtMax 1 |
| 10 | 745 | Pre-Cooled (Rule 710) Code | Opt | ID | 1/1 | AtMax 1 |
| 11 | 1073 | Yes/No Condition or Response Code | Opt | ID | 1/1 | AtMax 1 |
| 12 | 1073 | Yes/No Condition or Response Code | Opt | ID | 1/1 | AtMax 1 |
| 13 | 1073 | Yes/No Condition or Response Code | Opt | ID | 1/1 | AtMax 1 |
| 14 | 408 | Temperature | Rel | Decimal | 1/4 | AtMax 1 |