(1) In any proceedings under this Act a statement in writing appearing to be signed by the secretary of a responsible authority to the effect that at a specified date—
(a) the land described in the statement or any specified part of the land was in an area in which land was to be used for specified purposes under a specified planning scheme; or
(b) under a specified planning scheme any specified use or development of land in that area was prohibited or was a use or development for which a permit was required; or
(c) no permit was in force in respect of the use or development described in the statement; or
(d) a permit or permits identified in the statement were in force in respect of the use or development described in the statement—
is evidence of the matters stated.
(2) In any proceedings under this Act, the production of a document which appears to be—
(a) a copy of a permit issued by a responsible authority; and
(b) certified by the secretary of the responsible authority to be a true copy—
is to be accepted as a true copy of the permit until the contrary is proved.