| 
 Name  | 
|
| 
 Comment  | 
 The detail of contacts against a gas participant over time  | 
| 
 Name  | 
| 
 COMPANYID  | 
| 
 EFFECTIVEDATE  | 
| 
 PERSONID  | 
| 
 VERSIONDATETIME  | 
| 
 Name  | 
 Data Type  | 
 Mandatory  | 
 Comment  | 
| 
 COMPANYID  | 
 Number(10,0)  | 
 X  | 
 Unique company identifier  | 
| 
 EFFECTIVEDATE  | 
 Date  | 
 X  | 
 Effective date for this operating state  | 
| 
 VERSIONDATETIME  | 
 Date  | 
 X  | 
 Version timestamp of the record  | 
| 
 PERSONID  | 
 Number(10,0)  | 
 X  | 
 Unique person identifier  | 
  | 
  | 
  |