The purposes of the Alexander Turnbull Library are—
(a) to preserve, protect, develop, and make accessible for all the people of New Zealand the collections of that library in perpetuity and in a manner consistent with their status as documentary heritage and taonga; and
(b) to develop the research collections and the services of the Alexander Turnbull Library, particularly in the fields of New Zealand and Pacific studies and rare books; and
(c) to develop and maintain a comprehensive collection of documents relating to New Zealand and the people of New Zealand.