High Quality Content by WIKIPEDIA articles! In 1907, presidential Decree no. 1825 established the duty of all publishers to send one copy of each publication to then-called Bibliotheca Nacional. In 2004, this decree was revoked by congressional Law no. 10,994 , still in force, upholding the same mandate but updating its provisions. Article 1st of Law no. 10,994 specifies that the legal deposit's aim is "to ensure the registration and custody of national intellectual production, to allow for the control, development and spreading of current Brazilian bibliography, and to defend and preserve national language and culture."

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