In a proceeding involving an application by a public service company seeking authority of the Commission to increase rates and charges for the utility service and when the direct testimony of witnesses has been pre-filed with the Commission and the intervening parties to the proceeding not less than 10 days before the scheduled appearance of witnesses at a hearing, cross-examination shall be limited to a maximum of 30 minutes per witness per intervening party to the proceeding. Re-direct of witnesses and recross-examination of witnesses on their re-direct testimony shall be limited to a maximum of 20 minutes, respectively, per witness per intervening party. Nothing in these regulations shall be construed in any way to apply to the Office of People's Counsel. Agency Note: See U.S. v. Public Service Commission, 422 F. Supp. 676 (D. Md., 1976), Civil No. B-74-1264.