I knew lizards could be sent via USPS previous to 9/11, but I wasn't sure if the laws had changed...snakes have always been illegal to ship with the Post Office.
The USPS publication is #52
The only one I could find online states its effective date to be July 1999.
The URL is
http://www.usps.com/cpim/ftp/pubs/pub52.htm
The relevant sections are:
525.3 Reptiles
All snakes, turtles, and poisonous reptiles are nonmailable.
526 Mailable Live Animals
e. Other small harmless cold-blooded animals, 526.6 and Exhibit 526.6.
526.6 Small, Harmless, Cold-Blooded Animals
Small, harmless, cold-blooded animals, except for snakes, turtles, and turtle eggs, are mailable only when they meet certain requirements. For some examples, see Exhibit 526.6.
Exhibit 526.6
Requirements for Mailing Small, Harmless, Cold-Blooded Animals
(Except Snakes, Turtles, and Turtle Eggs)
General Requirements:
All animals in this group:
* Must be able to reach their destination in good condition in the normal transit time between the mailing and address points.
* Must not require any food, water, or attention during transport.
* Must not create sanitary problems.
Must not create obnoxious odors.
Specific Requirements by Animal:
Baby Alligators
Baby Caimans
Chameleons
Frogs
Lizards
Newts
Reptiles and Amphibians
Salamanders
* Tadpoles and Toads Animals must not exceed 20 inches in length.
* No additional requirements other than the applicable standards in DMM C022.
* Packaging must comply with DMM C022.3.10.
-Heather Ciar