Someone with as many fur coats as Joan Rivers should know a charge when she sees one!
But according to a source close to the Writers Guild of America, East, Joan was sent her notice way back on June 4! By both e-mail and in a letter!
See, letters are these things on paper with stamps that people used to send each other… never mind, Joan knows what we're talking about!
In fact, Joan seems to know all about the charges. After all, being a member of the WGA, she should already know