Section 50.6 - Procedures for submission of application to HHS(a) The Exchange Visitor Waiver Review Board will review applications submitted by private or non-federal institutions, organizations, or agencies or by a component agency of HHS. The Board will not accept applications submitted by Exchange Visitors or, unless under extenuating and exceptional circumstances, other U.S. Government Agencies.(b) Applications, instruction sheets and information are available from the Executive Secretary, Exchange Visitor Waiver Review Board. An authorized official of the applicant institution (educational institution, hospital, laboratory, corporation, etc.) must sign the completed application. The applicant institution must send the completed application to the address indicated on the instruction sheet. 67 FR 77697 , Dec. 19, 2002