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1-8 Regulation Changes

Postal regulations change from time to time. If there is conflicting information between this publication and the DMM or IMM, then the DMM or IMM takes precedence. Mailers may review copies of these documents at any post office, business mail entry unit, or postal business center. Both documents are available to the public through a subscription service handled by the U.S. Government Printing Office, and current versions are accessible on the Postal Service's "Postal Explorer" web page at http://pe.usps.gov.

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