The Indian Gaming Regulatory Act authorizes the NIGC to promulgate regulations and guidelines to implement IGRA’s provisions. The NIGC has promulgated regulations implementing numerous sections of IGRA. Those regulations can be found in the Code of Federal Regulations in 25 C.F.R. Part 500.
The regulation is also available as a PDF (Portable Document Format) file which requires the free Acrobat Reader available from Adobe.