As I understand it, you cannot order online from another state, but must go to the pharmacy in person. Here is a list of pharmacies dispensing ivermectin under the new(ish) law:
https://tnfreedomdoctors.org/ivermectin-in-tn
There was some discussion about it on the FR Tennessee board a while back. You might want to check in there for info if you don’t get the help you need here:
https://freerepublic.com/perl/profiles?location=90
Thanks for posting that link to the pharmacies.