http://pe.usps.com/text/dmm300/173.htm#1113509 provision 4.1e visit this page at USPS.com http://pe.usps.com/text/dmm300/173.htm#1113509 certain other media http://pe.usps.com/text/dmm300/173.htm#1113509 provision 4.1e http://pe.usps.com/text/dmm300/173.htm http://pe.usps.com/text/dmm300/173.htm http://pe.usps.com/text/dmm300/173.htm#1113509 http://pe.usps.com/text/dmm300/173.htm#1113509 http://pe.usps.com/text/dmm300/173.htm#1113509 http://pe.usps.com/text/dmm300/173.htm#1113509 USPS http://pe.usps.com/text/dmm300/173.htm#1113509 http://pe.usps.com/text/dmm300/173.htm#1113509 USPS