Legislation The Rehabilitation Act of 1973 as amended by title IV of WIOA PART C—AMERICAN INDIAN VOCATIONAL REHABILITATION SERVICES (PDF 791KB). Regulations Code of Federal Regulations, Title 34, Part 371 — American Indian Vocational Rehabilitation Services See also Education Department General Administrative Regulations (EDGAR) and Other Applicable Grant Regulations Sub-Regulatory Guidance Rule amending the definition of "reservation" published in the Federal Register on 02/05/2015