As far as I know, Warning Letter issues to those do not follow superior instruction, Work description, always MIA (Missing in action). Warning letter is some kind of serious punishment to those who refuse to follow the rules. In a company we have any rules to follows, many do /do not. I try my best [...]SHARETHIS.addEntry({ title: "Warning Letter", url: "http://www.alifebe.com/2008/08/08/warning-letter/" });