What is sufficient acknowledgment of an authorial work
189.—(1)  For the purposes of this Part, an acknowledgment of an authorial work is sufficient if the acknowledgment identifies —
(a)the work by its title or other description; and
(b)subject to subsection (2) — the author.
(2)  It is not necessary to identify the author if —
(a)the work has no identified author; or
(b)the author has previously agreed or directed that his or her name is not to be acknowledged.