Yes, code U was introduced for reporting 404(k) distributions occurring in 2009 and later years as a replacement for reporting on Form 1099-DIV: <a rel="nofollow" target="_blank" href="
https://www.irs.gov/irb/2008-26_IRB#ANN-2008-56">https://www.irs.gov/irb/2008-26_IRB#ANN-2008-56</a>
