| 1 | Security Timestamp | 
|  | Security timestamp of the secured message. | 
| 2 | Certificate generation date and time | 
|  | Identifies the date and time of generation of the certificate by the Certification Authority. | 
| 3 | Certificate start of validity period | 
|  | Identifies the date and time from which the certificate must be considered valid. | 
| 4 | Certificate end of validity period | 
|  | Identifies the date and time until which the certificate must be considered valid. | 
| 5 | EDIFACT structure generation date and time | 
|  | Date and time of generation of the secured EDIFACT structure. | 
| 6 | Certificate revocation date and time | 
|  | Identifies the date and time of revocation of the certificate by the Certification Authority. | 
| 7 | Key generation date and time | 
|  | Identifies the date and time of generation of the key(s). |