I was searching through the posts and didn't seem to find anything that specifically answered my question. fist ill introduce myself as I'm new to these forums. I have been a chapter 61 retiree since 1991. I was in for 19 and some change before I was placed on TDRL. I received my 100% rating in late 1993 (70% at time of retirement) for service connected disabilities. After I recieved that letter I fell out the loop so alot of the stuff I have found on these forums is new to me. My question is : If I am already rated at 100% from the va am I already recieving IU? I have never filled out VA form 21-8940. I have read some places that 100% means you are IU but other sources have stated that some individuals with 100% are still working. Wouldnt this mean they were not receiving IU?