; (C) the effectiveness of identity verification and traveler vetting status authentication technology and procedures used by qualified registered traveler services providers; (D) the impact on aviation security resulting from the provision of access to physical screening at airports by qualified registered traveler services providers; and (E) the effectiveness of oversight by the Transportation Security Administration of qualified registered traveler services providers; and (2) recommendations for how to improve the registered traveler program. (c) Form of report The report required by subsection (a) shall be submitted in unclassified form but may include a classified annex.