Well I just have to put my two cents in. This really occurred in my office. Years ago we used to get a lot of letters that were return receipt requested - acknowledging that their tax return was received by the department. After signing about 75 letter to taxpayers saying we did receive their tax return the supervisor asked a clerk to type envelopes and returns the letters. She types one label (address of the top letter) and put all the letters in a large brown envelope and sends it out via the U.S. Mail. Needless to say, about a week later, we received all of the letters back saying what idiots we had in state government.