Section 1241.20 - Eligibility(a) This section sets forth those persons who, by the provisions of the TREAT Astronauts Act, are eligible to participate in this program. A determination by the Administrator or designee that a person is eligible does not automatically entitle such a person to medical monitoring, diagnosis, and treatment under the TREAT Astronauts Act.(b) Only eligible individuals defined in § 1241.15 are entitled to medical monitoring, diagnosis, and treatment under this part.(c) Participation in this program is strictly voluntary. NASA may not require an eligible individual to participate in this program.