Sec. 4. (a) Except as provided in subsections (b) and (c), unadulterated drugs that meet the requirements set forth in IC 25-26-13-25(k) may be donated without a prescription or drug order to the regional drug repository program by the following:
(1) A pharmacist or pharmacy.
(2) A wholesale drug distributor.
(3) A hospital licensed under IC 16-21.
(4) A health care facility (as defined in IC 16-18-2-161).
(5) A hospice.
(6) A practitioner.
(b) An unadulterated drug that:
(1) was returned under IC 25-26-13-25; and
(2) was prescribed for a Medicaid recipient;
may not be donated under this section unless the Medicaid program has been credited for the product cost of the drug as provided in policies under the Medicaid program.
(c) A controlled drug may not be donated under this section.