Each witness shall receive the following fees:
(A) Twelve dollars for each full day's attendance and six dollars for each half day's attendance at hearing or deposition. Each witness shall also receive fifty and one-half cents for each mile necessarily traveled to and from his place of residence to the place of giving testimony.
(B) As used in paragraph (A) of this rule, a "full day's attendance" means a day on which a witness is required or requested to be present at a proceeding before and after twelve o'clock noon regardless of whether the witness actually testifies. A "half day's attendance" means a day on which a witness is required to be present at a proceeding either before or after twelve o'clock noon, but not both, regardless of whether the witness actually testifies.
(C) A respondent may not subpoena him or herself.