A. The civil jurisdiction of the Osage Nation Courts shall extend over all persons, subjects, property, and over all activities that occur within the territory of the Osage Nation and over all Osage citizens, subjects, property and activities outside such territory affecting the rights and laws of the Osage Nation. Any activity by any person or entity which affects restricted or trust property of an Osage Indian or of the Osage Nation occurring within the territory of the Osage Nation will be subject to the civil jurisdiction of the Osage Nation Courts. The assumption of civil jurisdiction by the Osage Nation Courts over any persons, subjects, property, and activities that occur within the territory of the Osage Nation shall not diminish federal authority to protect the property of the Osage Nation, the Osage Headlight Shareholders, or any Osage Indian. ONCA 11-41, eff. Apr. 12, 2011; ONCA 15-09, eff. Nov. 24, 2014.