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Business Mail 101 - Classes of Mail
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Minimum Weight: None.

Maximum Weight: 70 pounds.

The Periodicals class of mail is designed for newspapers, magazines, and other periodical publications whose primary purpose is transmitting information to an established list of subscribers or requesters. Periodicals must be published at regular intervals, at least four times a year from a known office of publication, and be formed of printed sheets. There are specific standards for circulation, record keeping, and advertising limits. There are special lower postage prices for Nonprofit, Science-of-Agriculture, and Classroom Periodicals.

There is a formal application procedure and a nonrefundable application fee to become authorized for Periodicals mailing privileges. Talk to your business mail entry unit for advice on becoming a Periodicals mailer.

Periodicals postage prices - See Price List - Notice 123