To indicate identifying marks and numbers for shipping containers
| Position | Element | Name | Type | Min/Max | Repeat | |
|---|---|---|---|---|---|---|
| 1 | 88 | Marks and Numbers Qualifier | Mandatory | ID | 1/2 | AtMax 1 |
| 2 | 87 | Marks and Numbers | Mandatory | Alphanumeric | 1/48 | AtMax 1 |
| 3 | 87 | Marks and Numbers | Opt | Alphanumeric | 1/48 | AtMax 1 |
| 4 | 88 | Marks and Numbers Qualifier | Rel | ID | 1/2 | AtMax 1 |
| 5 | 87 | Marks and Numbers | Rel | Alphanumeric | 1/48 | AtMax 1 |
| 6 | 87 | Marks and Numbers | Opt | Alphanumeric | 1/48 | AtMax 1 |