Yes thay started doing this last April 2004, when we arrived at the Embassy to renew our 10 yearly 6 months stay visitors visa.
When you go in you pay for the SMS envelope then, which you then had to hand in with our paper work.If you are not accepted for a visa then the interviewer as well as giving you back the paperwork you took with you, they also give you back the grey plastic envelope for you to get your pe paid deivery payment back as you go out.