Section 21: Inspection and disposal of postal articles suspected or found to be of a fraudulent nature.

(1) An officer of the Postal Service not below the rank of head postmaster, may if he suspects that a postal article is calculated or likely to cause the addressee or any other person to be deluded or defrauded or contains false pretence made with a view to obtaining money from the addressee, detain the postal article and submit it to the Postmaster-General or to such other officer of the Postal Service above the rank of head postmaster as the Postmaster-General may so appoint for the purpose; and the Postmaster-General or other officer so appointed may thereupon open the postal article for the purpose of inspection.
(2) If on an inspection under subsection (1) of this section, it appears to the Postmaster-General or any other officer so appointed under subsection (1) of this section that the postal article consists wholly or partly of a matter calculated or likely to cause the addressee, or any other person to be deluded or defrauded or contains false pretence made with a view to obtaining money from the addressee, he may destroy all or any part of the postal article or otherwise dispose of the article in such manner as to him in his absolute discretion may seem expedient.