(2) Every list or notice published under subsection (1) shall state the date from which the list or notice takes or took effect; and the fact that any person is or was included or not included at any time among the persons entitled to the immunities and privileges in question may, if a list of such persons has been so published, be conclusively proved by producing the Gazette containing the list or, as the case may be, the last list taking effect before that time together with the Gazettes, if any, containing the notices of the amendments taking effect before that time, and by showing that the name of that person is or was at that time included or not included in the said list.