The Post Office shall continue in existence after the appointed day until it is dissolved in accordance with this section.

The Secretary of State may by order, after consulting the Post Office and the Post Office company, dissolve the Post Office on a day specified in the order.

No order shall be made under subsection (2) unless the Secretary of State is satisfied that nothing further remains to be done by the Post Office under paragraph 9 of Schedule 3 or an order made under this Act.