This report provides an overview of current U.S. financial regulation: which agencies are responsible for which institutions, activities, and markets, and what kinds of authority they have. Some agencies regulate particular types of institutions for risky behavior or conflicts of interest, some agencies promulgate rules for certain financial transactions no matter what kind of institution engages in it, and other agencies enforce existing rules for some institutions, but not for others. These regulatory activities are not necessarily mutually exclusive. There are three traditional components to U.S. banking regulation: safety and soundness, deposit insurance, and adequate capital. The Dodd-Frank Wall Street Reform and Consumer Protection Act (P.L. 111-203) added a fourth: systemic risk. Safety and soundness regulation dates back to the 1860s when bank credit formed the money supply. Examinations of a bank's safety and soundness is believed to contribute to a more stable broader economy. Deposit insurance was established in the 1930s to reduce the incentive of depositors to withdraw funds from banks during a panic. Banks pay premiums to support the deposit insurance fund, but the Treasury provides full faith and credit for covered deposits if the fund were to run short. Deposit insurance is a second reason that ...