(a) An RHP has geographic boundaries as prescribed by HHSC.(b) An RHP is composed of one anchor and other participants, which may include IGT entities, performers, and other regional stakeholders. A single entity may act in multiple roles.(c) An IGT entity may participate in more than one RHP contingent upon HHSC approval.(d) A performer may only participate in the RHP plan update for the RHP in which it is physically located. If a performer has physical locations in more than one RHP, the performer may be assigned to a single "home" RHP of its choosing and participate only in the RHP plan update for its "home" RHP.(e) A provider must participate in an RHP, as described in §354.1717 of this division (relating to Uncompensated Care (UC) Hospital Requirements), to be eligible to receive a UC pool payment. However, HHSC along with the Centers for Medicare & Medicaid Services may approve exceptions to this requirement on a case by case basis.