The use of the notice is still relevant on older works. Authors control only rights specified under the copyright law. Duration and fair use limit copyright. Donors hold the copyright for any donated material unless otherwise specified. Cultural property is also the intellectual property, the ideas, practices, languages, music and the writings of a culture.
Cultural property belongs to the group rather than to an individual.
The act defines cultural patrimony as an object having an ongoing historical, traditional, or cultural importance central to the Native American group or culture itself, rather than property owned by an individual Native American. Before digitizing any of the above mentioned items determine if the proper entities have been notified regarding their disposition. Many Native American groups consider their cultural artifacts to be communal property.