(1) At the time a declaration under subsection 14 (2) takes effect, any rights or interests in the selected site that are specified in the declaration are, by force of this section:
(a) acquired by the Commonwealth or extinguished; and
(b) freed and discharged from all other rights and interests and from all trusts, restrictions, dedications, reservations, obligations, mortgages, encumbrances, contracts, licences, charges and rates.
(2) At the time a declaration under subsection 14 (4) takes effect, the rights or interests in the specified land that are specified in the declaration are, by force of this section:
(a) acquired by the Commonwealth or extinguished; and
(b) freed and discharged from all other rights and interests and from all trusts, restrictions, dedications, reservations, obligations, mortgages, encumbrances, contracts, licences, charges and rates.