Presumptions as to anonymous or pseudonymous authorial work
169.—(1)  This section applies if —
(a)an authorial work is published;
(b)the publication is anonymous or is alleged by the claimant to be pseudonymous; and
(c)it is not proved that the work has an identified author.
(2)  The work is presumed to be original.
(3)  If the claimant alleges that a specified publication is the first publication of the work and that the first publication took place in a specified country and on a specified date —
(a)the specified publication is presumed to be the first publication of the work; and
(b)the first publication of the work is presumed to have taken place in the specified country and on the specified date.