fanfare,
As you note, there is a lack of clarity in knowing exactly what the taxpayer is seeing. A brokerage account 1099-DIV just provides the sum of all the dividends generated by the account's holdings (funds, ETFs, stocks, etc.) and does not list individual funds in the 1099-DIV itself. There are generally going to be supplemental pages that provide a breakdown of those dividends, but those pages are not part of the 1099-DIV itself. In the present case, the taxpayer's description matches the format of a 1099-DIV from a fund company in which the taxpayer holds one or more mutual funds and they do have to enter each fund separately by individual name and not lump the total under the fund company name.
