Section 43: Statements of opinions as to public right or custom and matters of general interest.

1 A statement is admissible when such statement gives the opinion of a person as to the existence of any public right or custom or matter of general interest, the existence of which, if it existed, the maker would have been likely to be aware.

2 A statement referred to in subsection (1) of this section shall not be admissible unless it was made before any controversy as to such right, custom or matter, had arisen.