One of the best features of the new rules is that all named heirs now have until Dec. 31 of the year after the owner dies to arrange the IRA so as to provide the longest stretchout of distributions of tax-deferred assets.
In earlier research, Mr. Mahaney highlighted another benefit to deferring benefits until later: If you expect much of your retirement income to come from tax-deferred savings, you might be better off using those assets first and delaying all, or a large chunk, of your Social Security.