What privilege does a Department representative have over disclosure in a civil matter?

The department representative has; no privilege of his own from disclosure any more than anyone else. The proposed evidence to be given by the department officer must be objected to by one or other of the two parties concerned; providing they both or one of them objects, then the evidence would not be admissible because the law favours reconciliation and settlements, and the court will not take on itself a course which would be so prejudicial to its success. See McTaggart v. McTaggart, supra.