(1) An owner of a registered place or land on which a registered place is situated may enter into a covenant with the Heritage Council which binds the owner as to—
(a) the development or use of the place or the land; or
(b) the conservation of the place and any registered object at the place.
(2) A covenant under subsection (1) may—
(a) be released by the Heritage Council; or
(b) be varied by agreement between the Heritage Council and all persons having an interest in the land burdened by the covenant who are bound by the covenant.