Periodicals

Periodicals - A class of mail consisting of magazines, newspapers, or other publications formed of printed sheets that are issued at least four times a year at regular, specified intervals (frequency) from a known office of publication. Periodicals usually must have a legimate list of subscribers and requesters.

[Category=Postal ]

Source: USPS, 16 October 2009 12:52:39, http://www.usps.com/cpim/ftp/pubs/pub32/pub32h_p.html

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Periodical - Lists of recipients of printed material mailed to them on a regular or periodical cycle; primarily magazines and newsletters.

[Category=Database Marketing ]

Source: Postcom, 26 March 2010 08:18:00, http://postcom.org/public/admail_image/glossary.htm

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periodicals - Magazines and newsletters produced at regular intervals that contain news, articles of opinion, features and advertising. Periodicals exclude:

   * newspapers, and
   * updates to existing periodicals, books, newspapers or reference material.

[périodique]

[Category=Postal ]

Source: Canada Post, 03 February 2013 09:08:08, http://www.canadapost.ca/tools/pg/glossary-e.asp