Section 15:
Official mark to be evidence of amount of postage.
The official mark on a postal article
denoting that any postage or other sum is due in respect thereof to the Post Office of 1[India] or to the
Post Office of the United Kingdom or of any British possession or foreign country, shall be prima facie
evidence that the sum denoted as aforesaid is so due.
Notes:
1. Subs. by the A.O. 1950, for "Her Majesty's".