By submitting materials or advocating positions before the Board, a participant certifies that to the best of the participant's knowledge, information, and belief, formed after a reasonable inquiry under the circumstances:

(a) It is not being presented for any improper purpose;

(b) Any legal contentions are made in good faith based on the participant's reasonable understanding of existing law;

(c) Any factual contentions have evidentiary support or, if specifically so identified, will likely have evidentiary support after a reasonable opportunity for further investigation or discovery; and

(d) Any denials of factual contentions have evidentiary support or, if specifically so identified, are reasonably based on belief or a lack of information.