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.
A memorandum (abbrev.: memo; from Latin memorandum est, It must be remembered (that)...) is a note, document or other communication that helps the memory by recording events or observations on a topic, such as may be used in a business office.