An existing conditional deed continues to be subject to the following provisions—
(a) the land must continue to be used for the public purpose for which it was granted;
(b) the land must not be leased, mortgaged or sold without the Governor in Council’s approval;
(c) the term of a lease must not be longer than 14 years with a covenant for renewal for up to a further 7 years;
(d) the lease must be consistent with the purpose for which it was granted.