47 CFR § 80.407 - Operator authorization.
This section contains information and rules pertinent to the posting of radio operator authorizations. Rules applicable to radio operator requirements are contained in subpart D of this part and other rules pertinent to commercial radio operators are contained in part 13 of this chapter.
(a) [Reserved]
(b) Posting. When a Commission-authorized operator is required, the original authorization of each operator must be posted at the principal control point of the station. In lieu of posting, an operator who holds a restricted radiotelephone operator permit or a higher class operator license may have the operator authorization or a photocopy thereof available for inspection upon request by authorized Commission employees when operating the following:
(1) A voluntary station;
(2) Any class of ship station when the operator is on board solely to service the radio equipment; or
(3) A portable station.