| TTVisitationRegistrationContactHistoryID | 
                                                primary key | 
                                            
                                            
                                                | TTVisitationRegistrationContactID | 
                                                foreign key | 
                                            
                                            
                                                | Created | 
                                                a creation date | 
                                            
                                            
                                                | DisplayOrder | 
                                                a datetime field for ordering | 
                                            
                                            
                                                | StartDate | 
                                                First valid date | 
                                            
                                            
                                                | EndDate | 
                                                Last valid date. If contact doesn't have an end date, then the contact is still ongoing. If it does have a enddate the 'kontaktforløb' is finished/closed. But it's possible to create a new one if needed. | 
                                            
                                            
                                                | tblUsersID | 
                                                foreign key | 
                                            
                                            
                                                | Corrected | 
                                                Timestamp for the correction | 
                                            
                                            
                                                | CorrectionUserID | 
                                                foreign key | 
                                            
                                            
                                                | CorrectionText | 
                                                The reason for the correction | 
                                            
                                            
                                                | ParentTTVisitationRegistrationContactHistoryID | 
                                                A parent id of visitation registration contact history. Null if not relevant. | 
                                            
                                            
                                                | CorrectionAuthorityID | 
                                                The authority that made a correction. Null if not relevant. | 
                                            
                                            
                                                | TTCommonAuthorityId | 
                                                foreign key | 
                                            
                                            
                                                | TTVisitationCaseID | 
                                                foreign key |