| Code/Flag Figure |
Description |
Status |
|
0
|
Normal issue
|
Operational
|
|
1
|
Correction to a previously issued product (COR)
|
Operational
|
|
2
|
Amendment to a previously issued product (AMD)
|
Operational
|
|
3
|
Correction to a previously issued amended product (COR AMD)
|
Operational
|
|
4
|
Cancellation of a previously issued product (CNL)
|
Operational
|
|
5
|
No product available (NIL)
|
Operational
|
|
6
|
Special report (SPECI)
|
Operational
|
|
7
|
Corrected special report (SPECI COR)
|
Operational
|
|
8-14
|
Reserved
|
Operational
|
|
15
|
Missing or not applicable
|
Operational
|