146. Where a copy of an order, petition or other document is required by this Part to be given to a person, it shall be addressed and given to that person in some one of the following ways:

(a) by delivering it to the person;

(b) by leaving it at the address at which the person ordinarily resides or, in a case in which an address for service has been furnished, at that address;

(c) by sending it by post in a prepaid registered letter addressed to the person at the address at which the person ordinarily resides, or in a case in which an address for service has been furnished, at that address.