8. Every publisher of a document published in Québec shall, within thirty days from the date of publication of such document and at his own expense deliver two copies thereof to the National Library; but where the retail value of the two copies to be delivered exceeds in the aggregate $25, or where not more than fifty copies of such document are printed, one copy only shall be required.
Failing a publisher domiciled or having a place of business in Québec, the obligation imposed by this section shall devolve upon the following persons domiciled or having a place of business in Québec:(a) the printer of the document or the person who reproduces it by a graphic process other than printing or, failing them,
(b) the person having the exclusive right to distribute the document in Québec or, failing him,
(c) the author of the document, in the case of a printed document.