Pursuant to the statute renewing expiring provisions of the VRA last year, the GAO was commissioned to do a report on the language assistance provisions of VRA section 203. It has now issued Bilingual Voting Assistance: Selected Jurisdictions’ Strategies for Identifying Needs and Providing Assistance.
You can also find another study, Government Effectiveness and Efficiency? The Minority Language Assistance Provisions of the VRA, by James Thomas Tucker & Rodolfo Espino reprinted here with the permission of the Texas Journal on Civil Liberties & Civil Rights, where this article initially appeared.