(1) This Division and regulations made for the purposes of this Division do not prevent an indigenous person from continuing in accordance with law the traditional use of an area in a Commonwealth reserve for:
(a) hunting or food - gathering (except for purposes of sale); or
(b) ceremonial and religious purposes.
(2) However, regulations made for the purposes of this Division do affect an indigenous person's traditional use of an area in a Commonwealth reserve if they:
(a) are made for the purpose of conserving biodiversity in the area; and
(b) expressly affect the traditional use of the area by indigenous persons.