47 CFR § 0.421
Application forms
February 16, 2021
All forms for use in submitting applications for radio authorization, together with instructions and information as to filing such forms, may be obtained at http://www.fcc.gov/forms. For information concerning the forms to be used and filing requirements, see part 1 of this chapter and the appropriate substantive rules.
[80 FR 53749, Sept. 8, 2015]