(b) A plan under this section may not be contracted for or approved unless it—
offers benefits of the types named by paragraph (1) or (2) of section 8904 of this title or both;
provides for benefits only by paying for, or providing reimbursement for, the cost of such benefits (as provided for under paragraph (1) or (2) of section 8903 of this title) or a combination thereof; and
(c) A contract for a plan approved under this section shall require the carrier—
to enter into an agreement approved by the Office with an underwriting subcontractor licensed to issue group health insurance in all the States and the District of Columbia; or
For the purpose of this section, an individual shall be considered a full member of an organization if such individual is eligible to exercise all rights and privileges incident to full membership in such organization (determined without regard to the right to hold elected office).