The railroad must provide for medical review of drug test results as provided in subpart H of this part. The railroad must notify the applicant of the results of the drug and alcohol tests in the same manner as provided for employees in subpart H of this part. Records must be maintained confidentially and be retained in the same manner as required under subpart J of this part for employee test records, except that such records need not reflect the identity of an applicant whose application for employment in covered service was denied.