3(1)An application may not be made under section 2 if an estate in the whole or part of the land to which the application relates is a contingent estate.
(2)An estate is contingent for the purposes of this paragraph if (and only if)—
(a)it is liable to revert to or vest in a person other than the present registered proprietor on the occurrence or non-occurrence of a particular event, and
(b)the reverter or vesting would occur by operation of law as a result of an enactment listed in sub-paragraph (3).
(3)The enactments are—
(a)the School Sites Act 1841 (c. 38) (conveyance for use as school),
(b)the Lands Clauses Acts (compulsory purchase),
(c)the Literary and Scientific Institutions Act 1854 (c. 112) (sites for institutions), and
(d)the Places of Worship Sites Act 1873 (c. 50) (sites for places of worship).
(4)Regulations may amend sub-paragraph (3) so as to—
(a)add an enactment to the list, or
(b)remove an enactment from the list.