(a) The Board may deny, temporarily or permanently, the privilege of appearing or practicing before the Board to a person who is found by the Board, after notice and opportunity for hearing in the matter, to have done one or more of the following:

1. (1) Lacked the requisite qualifications to represent others.
2. (2) Engaged in unethical, contemptuous or improper conduct before the Board.
3. (3) Repeatedly failed to follow Board directives.

(b) For the purpose of subsection (a), practicing before the Board includes the following:

1. (1) Transacting business with the Board.
2. (2) The preparation of a statement, opinion or other paper by an attorney, accountant, engineer or other expert, filed with the Board in a pleading or other document with the consent of the attorney, accountant, engineer or other expert.
3. (3) Appearances at a hearing before the Board.