Hi Stephen
The best advice I was given was "Know your brief and tell the truth".
Other rules are:
1. Your expertise is to assist the Tribunal - not to win your clients case - do not believe your clients lies.
2. Keep your language neutral - there are tactful ways of saying your opponents case is rubbish.
3. If a thing is worth saying it is worth saying three times only - In the introduction - in the body of the report - in the summary -don't pad out reports by repeating the same point over and again.
4. Check and double check your data and conclusions - any tiny mistake will be jumped upon.
5. Get a peer review and rehearse your evidence with a leading counsel.
6. Make sure you follow the Tribunal Timetable because a late report is often ignored.
7. Think before answering a question and face the tribunal when answering - not your interculator.
8. If you don't know the answer then say so - DO NOT waffle.
Best regards
Mike Testro