14 CFR 1263.105 - Considerations in determining whether production or disclosure should be made.
(b) Whether disclosure is appropriate under the relevant substantive law concerning privilege.
(c) Whether disclosure might improperly reveal trade secrets, or commercial or financial information that is confidential or privileged.
(d) Whether disclosure might reveal classified information.
(e) Whether disclosure would violate a specific applicable constitutional provision, federal statute or regulation, or executive order.
(f) Whether appearance of the requested employee would seriously implicate an interest of the Agency such as conservation of employee time for conducting official business, avoidance of expending appropriated monies for non-federal purposes, or avoidance of involving the agency in controversial issues not related to its mission.