§ 3201. Definitions
As used in this chapter—
(1)
“penalty mail” means official mail, other than franked mail, which is authorized by law to be transmitted in the mail without prepayment of postage;
(3)
“frank” means the autographic or facsimile signature of persons authorized by sections
3210–3216 and
3218 of this title to transmit matter through the mail without prepayment of postage or other indicia contemplated by sections
733 and
907 of title
44;
(5)
“Members of Congress” includes Senators, Representatives, Delegates, and Resident Commissioners; and
(6)
“missing child” has the meaning provided by section 403(1) of the Juvenile Justice and Delinquency Prevention Act of 1974.