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Works of joint authorship. 
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22.—(1) In this Act, “a work of joint authorship” means a work produced by the collaboration of two or more authors in which the contribution of each author is not distinct from that of the other author or authors. 
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(4) References in this Act to the author of a work shall, unless otherwise provided, be construed, in relation to a work of joint authorship, as references to all of the authors of the work. 
 
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