In the Dirty Harry movie, “Magnum Force”, Harry Callahan has little use for his superior Lt. Briggs. Briggs has little use for Callahan’s violent ways and tells Dirty Harry that he never had to draw his gun out of his holster once. Harry cleverly retorts: “Well, you’re a good man, lieutenant. A good man always knows his limitations.” A 401(k) plan sponsor can have a lot of limitations, the problem is that they’re certain things they don’t do but have to do anyway, This article is all about things that 401(k) plan sponsors may not do, but they have to do it anyway.