32 CFR 2700.41: General restrictions on access.
(a) Determination of need-to-know.
Classified information shall be made available to a person only when the possessor of the classified information establishes in each instance, except as provided in section 4-3 of E.O. 12065, that access is essential to the accomplishment of official Government duties or contractual obligations.
(b) Determination of Trustworthiness.
A person is eligible for access to classified information only after a showing of trustworthiness as determined by the President's Personal Representative for Micronesian Status Negotiations based upon appropriate investigations in accordance with applicable standards and criteria.