Ind. Code § 24-5-27-25
(a) A provider may not institute a minimum balance requirement for a consumer to use:
(2) prepaid calling;
for intrastate inmate calling services calls.
(b) A provider may not prohibit a consumer from depositing at least fifty dollars ($50) per transaction to fund a:
(2) prepaid calling;
account that can be used for intrastate inmate calling services calls.
As added by P.L.34-2022, SEC.8.