25 CFR §700.283

1. (a)Medical records.
   1. (1)Medical records shall be disclosed to the individual to whom they pertain unless it is determined, in consultation with a medical doctor, that disclosure should be made to a medical doctor of the individual's choosing.
   2. (2)If it is determined that disclosure of medical records directly to the individual to whom they pertain could have an adverse effect on that individual, the individual may designate a medical doctor to receive the records and the records will be disclosed to that doctor.
2. (b)Inspection in presence of third party.
   1. (1)An individual wishing to inspect records pertaining to him which have been opened for his inspection may, during the inspection, be accompanied by a person of his own choosing.
   2. (2)When such a procedure is deemed appropriate, the individual to whom the records pertain may be required to furnish a written statement authorizing discussion of his record in the accompanying person's presence.