Eligibility —Qualification standards such as content, mail processing category, and preparation applied to mail for a specific price or discount.

 

Endorsement —An authorized marking on a mailpiece that shows handling instructions, a service, or a request for an ancillary service. Also see marking.

 

Entry Facility —The USPS mail processing facility (e.g., NDC, SCF) that serves the Post Office at which the mail is entered by the mailer. Also called origin facility.

 

Entry NDC —A network distibution center (NDC), including its satellite auxiliary service facility (ASF) unless specified otherwise, at which mail is entered by the mailer. Also see network distribution center (NDC) andauxiliary service facility (ASF).

 

Entry Post Office —A Post Office at which a mailer deposits mailings to be paid for through an account maintained at the designated Post Office.

 

Extended Managed Mail Tray (EMM) —A 2-foot letter tray that measures 21-3/4 inches long by 11-1/2 inches wide (inside bottom dimensions) by 6-1/8 inches high. Must be used for “tall” letter-size mail that does not fit in a regular managed mail (MM) tray.