C5.

He will express an opinion only when it is founded on adequate knowledge and honest conviction while he is serving as a witness before a court, commission or other tribunal.

[See Codes 5., II.3.b. ]

Code is relevant when:
Engineer serves as a witness before a court, commission or other tribunal
AND
Engineer experesses an opinion
Code is violated when:
Engineer's opinion is not based on adequate knowledge
OR
Engineer's opinion is not based on honest conviction
Code is not violated when:
Engineer's opinion based on adequate knowledge
AND
Engineer's opinion based on honest conviction

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