14 C.F.R. § 1214.807 Exceptional payloads.
Title 14 - Aeronautics and Space
Customers whose payloads qualify under the NASA Exceptional Program Selection Process shall reimburse NASA for Spacelab and Shuttle services on the basis indicated in the Shuttle policy.
Title 14: Aeronautics and Space
PART 1214—SPACE FLIGHT
Subpart 1214.8—Reimbursement for Spacelab Services
§ 1214.807 Exceptional payloads.

