private void detach_OrganisationPolicySerials(OrganisationPolicySerial entity)
 {
     this.SendPropertyChanging("OrganisationPolicySerials");
     entity.RbPolicyType = null;
 }
 private void attach_OrganisationPolicySerials(OrganisationPolicySerial entity)
 {
     this.SendPropertyChanging("OrganisationPolicySerials");
     entity.Organisation = this;
 }