Read your local ordinances. I've already told you everything that is legally required in Knoxville. I haven't bothered to look up the local ordinance here, but I probably should. The only involvement needed by animal control is that they be notified that you have the animal.

If you'll tell me what town you live in, I'll try to look up the local ordinance for you.
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0.1 Peruvian rainbow boa (Amaru)
2.0 Brazilian rainbow boas (Arco, Olho)
0.3 Honduran milksnakes (Chicchan, Chanir, Hari)
1.0 Thayeri kingsnake (Coatl)
2.7 corns (Cetto, Tolosa, Uce, TBA)
1,000,000.1,000,000 other critters