Sec. 9. (a) Except as otherwise provided by statute, contract, or a collective bargaining agreement, an employer may establish a medical care savings account program for the employer's employees.
(b) An employer that establishes a medical care savings account program under this chapter shall, before making any contributions to medical care savings accounts under the program, inform all employees in writing of the federal tax status of contributions made under this chapter.
(c) Except as provided in sections 17 and 23 of this chapter, the:
(1) principal contributed by an employer to a medical care savings account before January 1, 2016;
(2) interest earned on money on deposit in a medical care savings account; and
(3) money:
(A) paid out of a medical care savings account for eligible medical expenses; or
(B) used to reimburse an employee for eligible medical expenses;
are exempt from taxation as income of the employee under IC 6-3-2-18.