Sometimes, some employers from IT bodyshop consulting companies, withhold the actual copy of approval notice for some time so that they can send the same when they need the candidate to travel to US or have leverage to bargain or terms, etc…again, it depends… Important thing to know is that, http://ricardoxtplg.fireblogz.com/26018160/um-imparcial-view-of-cupom-desconto-approve