… or adapt any exhibits featuring Native American objects or remains. The move … revised regulations surround the 1990 Native American Graves Protection and Repatriation Act … closed two halls that featured Native American objects on 27 January. These …… or adapt any exhibits featuring Native American objects or remains. The move … revised regulations surround the 1990 Native American Graves Protection and Repatriation Act … closed two halls that featured Native American objects on 27 January. These …