To amend the Native American Graves Protection and Repatriation Act to provide for Native Hawaiian organizations, and for other purposes.

Amends the Native American Graves Protection and Repatriation Act to require written consent, if Native American remains are excavated or removed for purposes of study, from: (1) lineal descendants (if known); or (2) the appropriate Indian tribe or Native Hawaiian organization.

Sets forth the following requirements for inadvertent discoveries: (1) the appropriate Indian tribe or native Hawaiian organization be notified, with respect to tribal lands; and (2) any person or entity that disposes of or controls any such cultural item adhere to the applicable requirements for intentional excavation and removal.