—(1) Any person registered under the provisions of this Act who changes his place of residence shall, within 28 days thereof, report the change to a registration officer.
(2) Where a person registered under the provisions of this Act has changed or changes his place of residence to a place outside Singapore, he may inform a registration officer of his contact address in Singapore, which shall be —
the address of any premises in Singapore which he still owns an estate or interest in and which is used or permitted under written law to be used as residence; or
the address of the place of residence in Singapore of —
his or her spouse, grandparent, parent, sibling, child or grandchild;
any grandparent, parent or sibling of his or her spouse; or
any sibling of any of his or her parents or his or her spouse’s parents or any child of any of his or her siblings or spouse’s siblings.