• User Guide
  • Our Services
  • Tokyo Main Library
  • Kansai-kan of the NDL
  • International Library of Children's Literature
  • Access
  • Photoduplication Service
  • User Registration
  • Online Services
  • List of Online Services
  • Legislative Information
  • Online Catalog
  • Digital Library
  • Search Guide
  • Online Gallery

Top > About Us > Material Acquisition, Preservation > Acquisition and Collection Development > Guideline for Acquisition of Materials

Guideline for Acquisition of Materials

These Guidelines for Acquisition of Materials, which set forth the purpose and basic direction of collecting materials, were developed in 1993 and have been amended five times since then. In the amendment of 2013, Article 2 on the acquisition of domestic materials, was amended so that the NDL could start collecting privately published online publications.

Guidelines for Acquisition of Materials (Librarian's Decision No. 2, 1993.)

Article1: Purpose and basic policies for acquisition

Acquisition of books and other library materials ("materials")as well as information whose contents are equivalent to materials transmitted through the Internet or other advanced information-communications networks ("electronic information") will be conducted by developing up-to-date collections and for the purpose of contributing to Article 2 of Chapter 1 of the National Diet Library Law ("the NDL law"). The National Diet Library (NDL) is to acquire a wide range of domestic materials as cultural property and information resources, and also selectively acquire foreign materials and electronic information.

Article 2: Domestic Materials

The NDL is to acquire domestic materials which are newly published, publicly available or transmitted as gifts or bequests from issuers or as deposits stipulated in Articles 24 and 25, or records stipulated in Article 25-3 or Article 25-4 of the NDL Law. The NDL is to acquire materials, of which plural copies are needed for use and preservation, by purchase or other methods. Also the NDL will strive to acquire domestic materials which have not been collected by purchase, gift, deposit, microfilming and other methods.

Article 3: Foreign Materials

The NDL is to selectively acquire foreign materials, regardless of media, by purchase, international exchange, gift, or other methods. Publications in the following subjects and fields are regarded as especially important:

  1. Statutes and parliamentary documents
  2. Publications on Japan
  3. Reference materials
  4. Materials on science and technology
  5. Publications of international organizations and foreign governments
  6. Children's literature and related materials
  7. Asian Materials

Article 4: Electronic information

The NDL is to selectively acquire or utilize electronic information which is considered to be necessary or useful for its user services.

Article 5: Legislative materials, etc.

The NDL is to collect or utilize materials stipulated in Articles 2, 3 and 4, as well as materials or information which help Diet Members in the performance of their duties, as quickly as possible, regardless of media and kind, etc.

Article 6: Preserving its holdings by reproduction

The NDL is to reproduce acquired domestic materials by means of microfilming, digitizing or other methods when it needs to preserve original materials as its collection or needs to utilize them appropriately.

Article 7: Cooperation with other libraries or organizations.

The NDL is to exchange necessary information with various libraries or agencies which hold materials to establish a framework for cooperation in the acquisition of materials.

Article 8: Development of Policy for Acquisition of Materials

Policy for Acquisition of Materials (in Japanese) are to be developed separately from but in accordance with these guidelines to stipulate selection criteria such as media, kind, scope, language, subject, priority and other necessary items for acquisition of materials.

Article 9: Amendment to these guidelines

These guidelines are to be reviewed every five years and amended as necessary to appropriately reflect changes in users’ requests and diversification of publications, and developments in printing or information - communications technologies, etc.

To the head of this page