Ind. Code § 24-5-27-22
(a) A provider may not charge any taxes or fees to users of inmate calling services for, or in connection with, intrastate calls, except for the following:
(b) Any:
(2) mandatory tax or fee;
passed through to consumers for, or in connection with, intrastate inmate calling services may not include a markup, unless the markup is specifically authorized by a federal, state, or local statute, rule, or regulation.
As added by P.L.34-2022, SEC.8.