(a) If any party wishes to present confidential information or upon objection to public disclosure of any information sought to be elicited, the requirements and procedures in § 502.5 will apply.

(b) In an oral hearing, the presiding officer may in his or her discretion order that a witness will disclose such information only in the presence of the parties and those designated and authorized by the presiding officer. Any transcript of such testimony will be held confidential to the extent the presiding officer determines. Copies of transcripts will be served only to authorized parties or their representatives or other parties as the presiding officer may designate.

(c) Any information given pursuant to this section may be used by the presiding officer or the Commission if deemed necessary to a correct decision in the proceeding. [Rule 208.]