Ind. Code § 25-22.5-4-2

Sec. 2. If any applicant fails to satisfactorily pass the examination for licensure, the applicant is entitled to take not more than two (2) subsequent examinations at other examination periods within nineteen (19) months from the date of the first examination upon the payment of an additional examination fee each time. The board may establish additional requirements under IC 25-22.5-2-7 for those applicants who, after having failed the examination three (3) or more times, wish to take another examination.