| Option C | :4!c//16x | (Qualifier)(Reference) |
Order |
M/O |
Qualifier |
R/N |
CR |
Options |
Qualifier Description |
1 |
M |
PREV |
N |
|
C |
Previous Reference |
This qualified generic field specifies:
PREV |
Previous Reference |
Reference of the linked message which was previously sent. |
Reference must not start or end with a slash '/' and not contain two consecutive slashes '//' .