"G. Special rule for 3-year ratable income inclusion method for coronavirus-related distributions. If a qualified individual dies before the full taxable amount of the coronavirus-related distribution has been included in gross income, then the remainder must be included in gross income for the taxable year that includes the individual’s death." (page 16)
but.....
"Similarly, any distribution received by a qualified individual as a beneficiary can be treated as a coronavirus-related distribution." (page 6)
I think- am not sure, that this was distributed before he died. If I need to find this out, I want to be sure I get all the info I need before I ask the brokerage, as the client has no idea.