s 211 Service of notices
Service of a notice on a person under section 54, 56, 58, 129, 130 or 131 may be effected in any of these ways— (a) by delivering the notice to the person; (b) by leaving it for him with another person at his last known or usual place of abode; (c) by sending it by post in a letter addressed to him at his last known or usual place of abode.