42 U.S.C. § 1973aa-6 : US Code - Section 1973AA-6: Voting assistance for blind, disabled or illiterate persons

Search 42 U.S.C. § 1973aa-6 : US Code - Section 1973AA-6: Voting assistance for blind, disabled or illiterate persons

Any voter who requires assistance to vote by reason of blindness,
disability, or inability to read or write may be given assistance
by a person of the voter's choice, other than the voter's employer
or agent of that employer or officer or agent of the voter's union.