Miss. Code Ann. § 73-14-15: Miss. Code Ann. § 73-14-15

No person shall engage in the sale or practice of dispensing and fitting hearing aids or display a sign or in any other way advertise or hold himself out as a person who practices the dispensing and fitting of hearing aids unless he holds a current, unsuspended, unrevoked license by the board as provided in this chapter. The license required by this section shall be kept conspicuously posted in his office or place of business at all times.