Ind. Code § 25-20-1-2
(a) This section does not apply to:
(b) It is unlawful for a person to fit or dispense hearing aids in Indiana unless the person holds:
(2) a temporary hearing aid dealer certificate of registration;
issued by the board.
As amended by P.L.236-1989, SEC.1; P.L.78-2017, SEC.10.