External First-Class Measurement

External First-Class Measurement - A system whereby a contractor performs independent service performance tests on certain types of First-Class Mail (that is, letters, flats, postcards) deposited in collection boxes and business mail chutes. It provides national, area, performance cluster, and city estimates, which are compared with USPS service goals. The results are released to the public quarterly by the consumer advocate.

[Category=Postal ]

Source: USPS, 14 September 2009 11:08:00, http://www.usps.com/cpim/ftp/pubs/pub32/pub32a_g.html