53. The facility director or personnel member may refuse to forward mail to the addressee, and delete or seize the mail in whole or in part if the facility director believes on reasonable grounds that the content is likely to constitute a threat to a person or the facility, interfere with the administration of justice, be used in the commission of an offence or constitute a confession of crimes committed, or contains contraband or any other thing the inmate is prohibited or restricted from possessing in the facility.