In this Part, unless the contrary intention appears:
"article in the course of post" means an article that is being carried by post, and includes an article that has been collected or received by Australia Post for carriage by post, but has not been delivered by Australia Post.
"Australia Post" means the Australian Postal Corporation.
"carried by post" means carried by or through Australia Post.
"employee" , in relation to Australia Post, includes a person who performs services for or on behalf of Australia Post and an employee of such a person.
"mail-bag" includes a package, parcel, container or wrapper belonging to Australia Post in which articles in the course of post are customarily contained, whether or not it actually contains such articles.
"postal message" means:
(a) a material record of an unwritten communication:
(i) carried by post; or
(ii) collected or received by Australia Post for carriage by post; or
(b) a material record issued by Australia Post as a record of an unwritten communication:
(i) carried by post; or
(ii) collected or received by Australia Post for carriage by post.