22 C.F.R. § 42.54
(a) General. Consular officers shall request applicants to take the steps necessary to meet the requirements of INA 222(b) in order to apply formally for a visa as follows:
[56 FR 51174, Oct. 10, 1991, as amended at 59 FR 15302, Mar. 31, 1994; 61 FR 1836, Jan. 24, 1996; 63 FR 48578, Sept. 11, 1998]