Section 59: Immunities of servants of the Postal Service

(1) Notwithstanding anything contained in any enactment, whatsoever, no action shall lie or be instituted in any court against the Postal Service, a member or an officer of the Postal Service, for any act done in pursuance of or execution of any enactment or law of any public duty or authority, or in respect of any alleged neglect or default in the execution of such enactment or law, duty or authority, unless it is commenced within twelve months after the act or default complained of or, in the case of a continuous damage or injury, within twelve months next after the ceasing thereof.