The following Mississippi medical device requirement is preempted by  section 521(a) of the act, and the Food and Drug Administration has denied it an exemption from preemption under  section 521(b) of the act: Mississippi Code,  section 73-14-3(g)(9).
    
    
        
            Code of Federal Regulations
        
        [45 FR 67336, Oct. 10, 1980]