(b) The Presiding Officer may designate any person as a party to the investigation if that person—
(1) Petitions the Presiding Officer to participate as a party; and
(2) Is so situated that the disposition of the investigation may as a practical matter impair the ability to protect that person's interest unless allowed to participate as a party, and
(3) Is not adequately represented by existing parties.
NEXT: Sec. 13.109 - Convening the investigation.
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