(a) The benefits to be provided under plans described by section 8903 of this title may be of the following types: (1) SERVICE BENEFIT PLAN.- (A) Hospital benefits. (B) Surgical benefits. (C) In-hospital medical benefits. (D) Ambulatory patient benefits. (E) Supplemental benefits. (F) Obstetrical benefits. (2) INDEMNITY BENEFIT PLAN.- (A) Hospital care. (B) Surgical care and treatment. (C) Medical care and treatment. (D) Obstetrical benefits. (E) Prescribed drugs, medicines, and prosthetic devices
(a) (1)Enrollment. An enrollment for self plus one includes the enrollee and one eligible family member. An enrollment for self and family includes all family members who are eligible to be covered by the enrollment except as provided in § 890.308(h) . Proof of family member eligibility may be required, and must be provided upon request, to the carrier, the employing office, or OPM. Except as provided in paragraph (a)(2) of this section, no employee, former employee, annuitant, child, or former spouse