73. (1) Subject to subsection (2), this Chapter applies to a registered monument in the ownership or guardianship of the Minister or a local authority pursuant to the operation of a provision of this Act.

(2) The Minister may, after consultation with the Commissioners, by order, specify that, on and from a date specified in the order, this Chapter applies to a registered monument specified in the order in the ownership of the Minister otherwise than pursuant to the operation of a provision of this Act and, accordingly, this Chapter shall apply to that monument on and from that date.

(3) The Minister may, after consultation with a local authority, by order, specify that, on and from a date specified in the order, this Chapter applies to a registered monument specified in the order in the ownership of the local authority otherwise than pursuant to a provision of this Act and, accordingly, this Chapter shall apply to that monument on and from that date.