Article 30 states:
Burden of proof
30. Where in any proceedings under or for any of the purposes of this Act, any of the following questions is in issue, namely-
(a) whether any person is or is not a citizen of Tanzania; or
(b) whether any person’s presence within Tanzania is lawful, the burden to prove that that person is a citizen of Tanzania or that his presence in Tanzania is lawful shall lie upon the party contending that that person is a citizen of Tanzania or, as the case may be, that his presence in Tanzania is lawful.
Download: Tanzania Immigration Act No.7 1995