B. Any employee or designee of the local community services board, as defined in § 37.2-809, representing the community services boardor certified evaluator that prepared the preadmission screening report shall attend the hearing in person or, if physical attendance is not practicable, shall participate in the hearing through a two-way electronic video and audio or telephonic communication system as authorized in § 37.2-804.1. Where a hearing is held outside of the service area of the community services board that prepared the preadmission screening report, and it is not practicable for a representative of the community services board that prepared the preadmission screening report to attend or participate in the hearing, arrangements shall be made by the community services board that prepared the preadmission screening report for an employee or designee of the community services board serving the area in which the hearing is held to attend or participate on behalf of the community services board that prepared the preadmission screening report. The employee or designee of the local community services board, as defined in § 37.2-809, representing the community services board that prepared the preadmission screening report or attending or participating on behalf of the community services board that prepared the preadmission screening report or the certified evaluator shall not be excluded from the hearing pursuant to an order of sequestration of witnesses. The community services board that prepared the preadmission screening reportor the certified evaluator shall remain responsible for the person subject to the hearing and, prior to the hearing, shall send the preadmission screening report through certified mail, personal delivery, facsimile with return receipt acknowledged, or other electronic means with documented acknowledgment of receipt to the community services board attending the hearing. Where a community services board attends the hearing on behalf of the community services board that prepared the preadmission screening report, the attending community services board shall inform the community services board that prepared the preadmission screening report of the disposition of the matter upon the conclusion of the hearing. In addition, the attending community services board shall transmit the disposition through certified mail, personal delivery, facsimile with return receipt acknowledged, or other electronic means with documented acknowledgment of receipt. At least 12 hours prior to the hearing, the court shall provide to the community services board or certified evaluator that prepared the preadmission screening report the time and location of the hearing. If the representative of the community services board or certified evaluator that prepared the preadmission screening report will be present by telephonic means, the court shall provide the telephone number to the community services board or certified evaluator. If a representative of a community services board will be attending the hearing on behalf of the community services board that prepared the preadmission screening report, the community services board that prepared the preadmission screening report shall promptly communicate the time and location of the hearing and, if the representative of the community services board attending on behalf of the community services board that prepared the preadmission screening report will be present by telephonic means, the telephone number to the attending community services board.