(a) Whenever a victim is unable to attend such trial or hearing or any portion thereof by reason of death; disability; hardship; incapacity; physical, mental, or emotional condition; age; or other inability, the victim, the victim's guardian or the victim's family may select a representative who shall be entitled to exercise any right granted to the victim, pursuant to the provisions of this article.
(b) Provided, however, in the event of a dispute, the court in its discretion may designate such representative.