5 C.F.R. § 2412.6
(b) Such records shall only be made available to persons other than that individual in the following circumstances:
(d) If medical records are requested for inspection which, in the opinion of the Solicitor or the IG, as appropriate, may be harmful to the requester if personally inspected by such person, such records will be furnished only to a licensed health care professional designated to receive such records by the requester. Prior to such disclosure, the requester must furnish a signed written authorization to make such disclosure and the licensed health care professional must furnish a written request for the licensed health care professional's receipt of such records to the Solicitor or the IG, as appropriate.