21. Purpose of proposed visit: (Detailed statement including names of principal persons, firms, or establishments to be visited)
22. Proposed duration of visit:
23. Estimated date of arrival:
24. Address to which authorization should be mailed:
In the event that a DD 398 form is not available, a locally produced form containing identical information including the certification and signature of applicant and witness may be utilized.
32 C.F.R. §761.11