(a) Each exhibit to be offered shall first be numbered by the offering party.(b) Copies of the original exhibit shall be furnished by the party offering the exhibit to the commission and to each party present at the hearing unless otherwise ordered by the presiding officer.(c) An exhibit excluded from evidence will be considered withdrawn by the offering party and will be returned to the party.(d) Pre-numbered exhibits may be filed with the commission prior to the formal hearing. Pre-numbered exhibits that are not offered and admitted at the hearing will be deemed withdrawn.