9. The Bibliothèque nationale du Québec is authorized to sign:
(1) deeds, documents and writings listed in paragraphs 1 to 4 of section 5;
(2) deeds of acquisition, by purchase or otherwise, of documents under the Act respecting the Bibliothèque nationale du Québec (chapter B-2.1);
(3) agreements to deposit, loan or donate documents, in the capacity of donee;
(4) receipts for donations or legacies of documents.