(1) Subject to subsection (2), the regulations may amend Schedule 1 by modifying any description of an area of land in Part 2, 3, 4 or 5 of that Schedule and, on the commencement of an amendment, that Schedule has effect as so amended.
(2) Regulations for the purposes of subsection (1) may not modify the description of an area of land after title in the land has been vested in a Land Trust under this Act.
"modifying" includes the substitution of a description or diagram for another
description or diagram.