13   Certificates as to ownership of land

(1)  A certificate in writing given by an authorized person:

(a)  as to the ownership of land, or of an estate or interest in land, specified in the certificate, on a date or during a period so specified, or

(b)  as to the existence and ownership, on a date or during a period specified in the certificate, of a right so specified in respect of land so specified,

      is, in proceedings under or purporting to be under, the law of the State in which any question arises whether a place is a Commonwealth place, evidence of the matters stated in the certificate.

(2)  For the purposes of subsection (1) a writing purporting to be a certificate referred to in that subsection shall, unless the contrary is proved, be deemed to be such a certificate and to have been duly given.

(3)  In this section authorized person has the same meaning as in section 17 of the Commonwealth Act.