As the author of the original post, to clarify, this is a one man plan with all assets attributable to accumulation as a Defined Benefit Plan asset. The 1 man participant took his RMD due him for 2019 before 9/30/2019, plan year end. In October 2019 the plan transferred the remainder of the DB assets to an IRA. Perhaps the better question is did the DB Plan produce an RMD requirement for 2020 because it held assets as of 9/30/2019?