Section 828.7000 - Scope of subpart(a) As used in this subpart, the term "contractor" includes subcontractors of any tier under a contract containing an indemnification provision under 38 U.S.C. 7317 .(b) This subpart sets forth the policies and procedures concerning indemnification of contractors performing contracts involving medical research or research and development that involve risks of an unusually hazardous nature, as authorized by 38 U.S.C. 7317 .(c) The authority to indemnify the contractor under this subpart does not create any rights to third parties that do not exist by law.