First available online: 2 November 2015This article starts out from the general question of how fields of regulation have impacted on the private law relationships between individuals, i.e., in competition law and capital market law. It states that the impact is sometimes more direct, as in capital market law, sometimes less direct and felt only after much more time, like in competition law, but that it is always present. Hence, the first result is obvious: the new Banking Union scheme will impact also on private law relationships. While this is already discussed in some specific areas—namely organisation of banks and recovery and resolution of banks (with the bail-in mechanism)—and while these areas are addressed in this article as well, t...