The USCIS issues an Employment Authorization Document in the following categories: 1  EAD: This document proves you are allowed to work in the U.S.  Renewal EAD: You should apply for an EAD renewal four months before your original EAD expires.
Definition of memo for English Language Learners. : a usually brief written message from one person or department in an organization, company, etc., to another. Thesaurus: All synonyms and antonyms for memo Spanish Central: Translation of memo Nglish: Translation of memo for Spanish speakers.
Memo Letter Example | Memo Letter Sample. 1  A memorandum (memo for short) is a short piece of writing generally written by the officers of an organization for sharing information among them. The main purpose of writing a memorandum is to keep record or convey information and decisions or to make short requests.