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The Library of Congress >> Standards
United States ISSN Center

National Serials Data Program
Library of Congress
International Standard Serial Number (ISSN)

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Important Notice About Mail Delivery Disruption

(Oct. 4, 2004) Following the lead of the House of Representatives, all letter mail to the Library of Congress is undergoing an expanded screening protocol.

Incoming packages, commercial courier (accountable) mail, and hand-delivered courier/messenger mail are also subject to the expanded screening protocol.

Publishers are advised to continue sending urgent requests for new ISSN by fax, email, or private carrier.   Requests for ISSN not needed for several months and sample issues being sent to fulfill ISSN prepublication registration requirements can be sent by regular mail.  Publishers are strongly encouraged to send full issues whenever possible.  Full issues can be given more accurate and complete cataloging and only full issues are considered for inclusion in the Library’s permanent collections.

FAX: (202) 707-6333   Email: issn@loc.gov

Note that applications for ISSN (except for pre-publication ISSN assigned to serials which have not yet published any issues) MUST be accompanied by a sample issue or a surrogate of the cover, title page (if any), masthead, and other pages containing information about the publication.  Surrogates can be sent by fax or as email attachments (preferably in PDF format), but please do not fax or email the entire issue. Please limit faxes or attachments to no more than five pages.

The ISSN and Serials Publishing

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ISSN Application Form

  • Application in PDF format New! - This form is now "fillable" online. After entering the required information about your publication, print and mail the application to the address indicated at the top of the form. You may also save a copy of the form for future applications.
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ISSN International Network

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Related Web Resources:

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Photographs from the ISSN Directors Meeting, Sept. 2000:

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The Library of Congress >> Standards
October 5, 2004

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