47 CFR § 73.3512
Where to file; number of copies
February 16, 2021
All applications for authorizations required by §73.3511 shall be filed at the FCC in Washington, DC (Applications requiring fees as set forth at part 1, subpart G of this chapter must be filed in accordance with §0.401(b) of the rules.) The number of copies required for each application is set forth in the FCC Form which is to be used in filing such application.
[52 FR 10231, Mar. 31, 1987]