Further clarification, this is for the state of Massachusetts.
This is an inherited IRA from a deceased parent that I have held for 9 years now and have been receiving RMDs on for those 9 years. I know what the 2021 RMD was based on the 1099-R that I received, but do I have to go back and sum up the RMDs for 2013-2020. for this line? I don't recall ever doing this before.
