Voluntary Screening Takes opposite in Montana With the newly come addition of South Carolina, the number of states that have passed EHDI laws has grown to 32--from 12 in 1998 In addition, EHDI legislation is pending in six more states--Michigan, of the present day Jersey, Ohio, Pennsylvania, Tennessee and Vermont--and still more states have established voluntary EHDI programs. southern Carolina toward the south Carolina's "Universal Newborn Hearing Screening and Intervention Act," enacted June 30 as part of HB 4775 establishes that, from January 2002, all hospitals in the state with an