Input Standards | |||
| From NAL copy only | |||
| 1st Indicator Existence in NAL collection | |||
| No information provided | |||
| 0 | Item is in NAL | ||
| 1 | Item is not in NAL | ||
| 2nd Indicator Undefined | |||
| Undefined | |||
| Subfields (R=Repeatable NR=Nonrepeatable) | Input Standards | ||
| ‡a | Classification number (R) | Mandatory/Mandatory | |
| ‡b | Item number (NR) | Required if applicable/Required if applicable | |