(1) In this part:
"cancellation" includes partial cancellation.
"partial cancellation" means the exclusion of part of a registered place or object.
(2) This part applies to a partial cancellation as if—
(a) a reference to a registered place or object were a reference to the part of the place or object to be excluded; and
(b) all other necessary changes, including any changes
prescribed by regulation, were made.