(c) The Postal Service is authorized and directed to permit the transmission in the mails, under regulations to be prescribed by it, of live scorpions which are to be used for purposes of medical research or for the manufacture of antivenom. Such regulations shall include such provisions with respect to the packaging of such live scorpions for transmission in the mails as the Postal Service deems necessary or desirable for the protection of Postal Service personnel and of the public generally and for ease of handling by such personnel and by any individual connected with such research or manufacture. Nothing contained in this paragraph shall be construed to authorize the transmission in the mails of live scorpions by means of aircraft engaged in the carriage of passengers for compensation or hire.
(f) All spirituous, vinous, malted, fermented, or other intoxicating liquors of any kind are nonmailable and shall not be deposited in or carried through the mails.