South Dakota Codified Laws
Chapter 09 - Compensation For Permanent Loss Of Hearing
Section 62-9-8 - No benefits where employee fails to regularly use employer-provided protection devices.

62-9-8. No benefits where employee fails to regularly use employer-provided protection devices.
No compensation benefits are payable for occupational loss of hearing caused by excessive noise if the employee fails to regularly use the employer-provided protection device or devices which are capable of preventing loss of hearing from the particular excessive noise where the employee works.

Source: SL 1986, ch 427, ยง8.