Section 73: Service of order

(1) An order made under section 72 of this Act shall if practicable be served on the suspect against whom it is made in manner provided for the service of a summons.
(2) Where an order referred to in subsection (1) cannot be served in the manner laid down in that subsection, it may be served by registered letter through the post, addressed to the suspect against whom it is made at his last known address or, where his last address is not known, then by affixing a notice in some conspicuous place in the town or village or near which the nuisance or offence is being committed.