Below is Section 66A of the Electoral Act which specifically deals with the unofficial announcement of election results.

66A    Unofficial or false declaration of results prohibited

(1) Subject to subsection (3), any person who—

       (a)   purports to announce the result of an election as the true or official results;  or

       (b)   purports to declare any candidate to have been duly elected;

before an electoral officer, acting in accordance with this Act, has announced the result of that election or declared a candidate to have been duly elected in that election, as the case may be, shall be guilty of an offence and liable to a fine not exceeding level five or to imprisonment for a period not exceeding six months or to both such fine and such imprisonment.