legal deposit
Refers to the legal requirement for publishers to deposit copies of publications with designated libraries or institutions. Used in legal, library, and computing contexts.
Under the legal deposit system, publishers must deposit their publications with the National Diet Library.
Compound of 法定 (ほうてい, 'legal, statutory') and 納本 (のうほん, 'deposit of books'). The term is a direct translation of the English 'legal deposit'.