Sec. 13.15  License term.

    (a) Commercial radio operator licenses are normally valid for a term 
of five years from the date of issuance, except as provided in paragraph 
(b) of this section.
    (b) General Radiotelephone Operator Licenses, Restricted 
Radiotelephone Operator Permits, and Restricted Radiotelephone Operator 
Permits-Limited Use are normally valid for the lifetime of the holder. 
The terms of all Restricted Radiotelephone Operator Permits issued prior 
to November 15, 1953, and valid on that date, are extended to the 
lifetime of the operator.